diff --git a/pyhanko/generated/etsi/ts_11910202.py b/pyhanko/generated/etsi/ts_11910202.py
index 381de626..7dc713df 100644
--- a/pyhanko/generated/etsi/ts_11910202.py
+++ b/pyhanko/generated/etsi/ts_11910202.py
@@ -527,16 +527,16 @@ class SignatureIdentifierType:
 
 @dataclass(frozen=True)
 class SignatureValidationPolicyType:
-    signature_policy_identifier: Optional[
-        SignaturePolicyIdentifierType
-    ] = field(
-        default=None,
-        metadata={
-            "name": "SignaturePolicyIdentifier",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/19102/v1.2.1#",
-            "required": True,
-        },
+    signature_policy_identifier: Optional[SignaturePolicyIdentifierType] = (
+        field(
+            default=None,
+            metadata={
+                "name": "SignaturePolicyIdentifier",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/19102/v1.2.1#",
+                "required": True,
+            },
+        )
     )
     policy_name: Optional[str] = field(
         default=None,
@@ -986,15 +986,15 @@ class ValidationReportDataType:
             "namespace": "http://uri.etsi.org/19102/v1.2.1#",
         },
     )
-    revocation_status_information: Optional[
-        RevocationStatusInformationType
-    ] = field(
-        default=None,
-        metadata={
-            "name": "RevocationStatusInformation",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/19102/v1.2.1#",
-        },
+    revocation_status_information: Optional[RevocationStatusInformationType] = (
+        field(
+            default=None,
+            metadata={
+                "name": "RevocationStatusInformation",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/19102/v1.2.1#",
+            },
+        )
     )
     crypto_information: Optional[CryptoInformationType] = field(
         default=None,
@@ -1159,15 +1159,15 @@ class ValidationStatusType:
             "namespace": "http://uri.etsi.org/19102/v1.2.1#",
         },
     )
-    associated_validation_report_data: Tuple[
-        ValidationReportDataType, ...
-    ] = field(
-        default_factory=tuple,
-        metadata={
-            "name": "AssociatedValidationReportData",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/19102/v1.2.1#",
-        },
+    associated_validation_report_data: Tuple[ValidationReportDataType, ...] = (
+        field(
+            default_factory=tuple,
+            metadata={
+                "name": "AssociatedValidationReportData",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/19102/v1.2.1#",
+            },
+        )
     )
 
 
@@ -1291,15 +1291,15 @@ class SignatureAttributesType:
             "namespace": "http://uri.etsi.org/19102/v1.2.1#",
         },
     )
-    commitment_type_indication: Tuple[
-        SACommitmentTypeIndicationType, ...
-    ] = field(
-        default_factory=tuple,
-        metadata={
-            "name": "CommitmentTypeIndication",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/19102/v1.2.1#",
-        },
+    commitment_type_indication: Tuple[SACommitmentTypeIndicationType, ...] = (
+        field(
+            default_factory=tuple,
+            metadata={
+                "name": "CommitmentTypeIndication",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/19102/v1.2.1#",
+            },
+        )
     )
     all_data_objects_time_stamp: Tuple[SATimestampType, ...] = field(
         default_factory=tuple,
@@ -1325,15 +1325,15 @@ class SignatureAttributesType:
             "namespace": "http://uri.etsi.org/19102/v1.2.1#",
         },
     )
-    signature_production_place: Tuple[
-        SASignatureProductionPlaceType, ...
-    ] = field(
-        default_factory=tuple,
-        metadata={
-            "name": "SignatureProductionPlace",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/19102/v1.2.1#",
-        },
+    signature_production_place: Tuple[SASignatureProductionPlaceType, ...] = (
+        field(
+            default_factory=tuple,
+            metadata={
+                "name": "SignatureProductionPlace",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/19102/v1.2.1#",
+            },
+        )
     )
     signer_role: Tuple[SASignerRoleType, ...] = field(
         default_factory=tuple,
@@ -1556,15 +1556,15 @@ class SignatureAttributesType:
 
 @dataclass(frozen=True)
 class ValidationConstraintsEvaluationReportType:
-    signature_validation_policy: Optional[
-        SignatureValidationPolicyType
-    ] = field(
-        default=None,
-        metadata={
-            "name": "SignatureValidationPolicy",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/19102/v1.2.1#",
-        },
+    signature_validation_policy: Optional[SignatureValidationPolicyType] = (
+        field(
+            default=None,
+            metadata={
+                "name": "SignatureValidationPolicy",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/19102/v1.2.1#",
+            },
+        )
     )
     validation_constraint: Tuple[
         IndividualValidationConstraintReportType, ...
@@ -1638,15 +1638,15 @@ class SignatureValidationReportType:
             "namespace": "http://uri.etsi.org/19102/v1.2.1#",
         },
     )
-    signature_validation_process: Optional[
-        SignatureValidationProcessType
-    ] = field(
-        default=None,
-        metadata={
-            "name": "SignatureValidationProcess",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/19102/v1.2.1#",
-        },
+    signature_validation_process: Optional[SignatureValidationProcessType] = (
+        field(
+            default=None,
+            metadata={
+                "name": "SignatureValidationProcess",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/19102/v1.2.1#",
+            },
+        )
     )
     signature_validation_status: Optional[ValidationStatusType] = field(
         default=None,
@@ -1736,16 +1736,16 @@ class ValidationObjectListType:
 
 @dataclass(frozen=True)
 class ValidationReportType:
-    signature_validation_report: Tuple[
-        SignatureValidationReportType, ...
-    ] = field(
-        default_factory=tuple,
-        metadata={
-            "name": "SignatureValidationReport",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/19102/v1.2.1#",
-            "min_occurs": 1,
-        },
+    signature_validation_report: Tuple[SignatureValidationReportType, ...] = (
+        field(
+            default_factory=tuple,
+            metadata={
+                "name": "SignatureValidationReport",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/19102/v1.2.1#",
+                "min_occurs": 1,
+            },
+        )
     )
     signature_validation_objects: Optional[ValidationObjectListType] = field(
         default=None,
diff --git a/pyhanko/generated/etsi/ts_119612.py b/pyhanko/generated/etsi/ts_119612.py
index 4513017a..97535455 100644
--- a/pyhanko/generated/etsi/ts_119612.py
+++ b/pyhanko/generated/etsi/ts_119612.py
@@ -678,15 +678,15 @@ class TSPServiceInformationType:
             "required": True,
         },
     )
-    scheme_service_definition_uri: Optional[
-        NonEmptyMultiLangURIListType
-    ] = field(
-        default=None,
-        metadata={
-            "name": "SchemeServiceDefinitionURI",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/02231/v2#",
-        },
+    scheme_service_definition_uri: Optional[NonEmptyMultiLangURIListType] = (
+        field(
+            default=None,
+            metadata={
+                "name": "SchemeServiceDefinitionURI",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/02231/v2#",
+            },
+        )
     )
     service_supply_points: Optional[ServiceSupplyPoints] = field(
         default=None,
diff --git a/pyhanko/generated/etsi/xades.py b/pyhanko/generated/etsi/xades.py
index 15b7de70..524c3b1e 100644
--- a/pyhanko/generated/etsi/xades.py
+++ b/pyhanko/generated/etsi/xades.py
@@ -833,15 +833,15 @@ class CommitmentTypeIndicationType:
             "namespace": "http://uri.etsi.org/01903/v1.3.2#",
         },
     )
-    commitment_type_qualifiers: Optional[
-        CommitmentTypeQualifiersListType
-    ] = field(
-        default=None,
-        metadata={
-            "name": "CommitmentTypeQualifiers",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/01903/v1.3.2#",
-        },
+    commitment_type_qualifiers: Optional[CommitmentTypeQualifiersListType] = (
+        field(
+            default=None,
+            metadata={
+                "name": "CommitmentTypeQualifiers",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/01903/v1.3.2#",
+            },
+        )
     )
 
 
@@ -1208,15 +1208,15 @@ class SignedDataObjectPropertiesType:
             "namespace": "http://uri.etsi.org/01903/v1.3.2#",
         },
     )
-    commitment_type_indication: Tuple[
-        CommitmentTypeIndicationType, ...
-    ] = field(
-        default_factory=tuple,
-        metadata={
-            "name": "CommitmentTypeIndication",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/01903/v1.3.2#",
-        },
+    commitment_type_indication: Tuple[CommitmentTypeIndicationType, ...] = (
+        field(
+            default_factory=tuple,
+            metadata={
+                "name": "CommitmentTypeIndication",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/01903/v1.3.2#",
+            },
+        )
     )
     all_data_objects_time_stamp: Tuple[XAdESTimeStampType, ...] = field(
         default_factory=tuple,
@@ -1261,15 +1261,15 @@ class SignedSignaturePropertiesType:
             "namespace": "http://uri.etsi.org/01903/v1.3.2#",
         },
     )
-    signature_policy_identifier: Optional[
-        SignaturePolicyIdentifierType
-    ] = field(
-        default=None,
-        metadata={
-            "name": "SignaturePolicyIdentifier",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/01903/v1.3.2#",
-        },
+    signature_policy_identifier: Optional[SignaturePolicyIdentifierType] = (
+        field(
+            default=None,
+            metadata={
+                "name": "SignaturePolicyIdentifier",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/01903/v1.3.2#",
+            },
+        )
     )
     signature_production_place: Optional[SignatureProductionPlaceType] = field(
         default=None,
@@ -1432,25 +1432,25 @@ class Meta:
 
 @dataclass(frozen=True)
 class SignedPropertiesType:
-    signed_signature_properties: Optional[
-        SignedSignaturePropertiesType
-    ] = field(
-        default=None,
-        metadata={
-            "name": "SignedSignatureProperties",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/01903/v1.3.2#",
-        },
-    )
-    signed_data_object_properties: Optional[
-        SignedDataObjectPropertiesType
-    ] = field(
-        default=None,
-        metadata={
-            "name": "SignedDataObjectProperties",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/01903/v1.3.2#",
-        },
+    signed_signature_properties: Optional[SignedSignaturePropertiesType] = (
+        field(
+            default=None,
+            metadata={
+                "name": "SignedSignatureProperties",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/01903/v1.3.2#",
+            },
+        )
+    )
+    signed_data_object_properties: Optional[SignedDataObjectPropertiesType] = (
+        field(
+            default=None,
+            metadata={
+                "name": "SignedDataObjectProperties",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/01903/v1.3.2#",
+            },
+        )
     )
     id: Optional[str] = field(
         default=None,
@@ -1469,15 +1469,15 @@ class Meta:
 
 @dataclass(frozen=True)
 class UnsignedPropertiesType:
-    unsigned_signature_properties: Optional[
-        UnsignedSignaturePropertiesType
-    ] = field(
-        default=None,
-        metadata={
-            "name": "UnsignedSignatureProperties",
-            "type": "Element",
-            "namespace": "http://uri.etsi.org/01903/v1.3.2#",
-        },
+    unsigned_signature_properties: Optional[UnsignedSignaturePropertiesType] = (
+        field(
+            default=None,
+            metadata={
+                "name": "UnsignedSignatureProperties",
+                "type": "Element",
+                "namespace": "http://uri.etsi.org/01903/v1.3.2#",
+            },
+        )
     )
     unsigned_data_object_properties: Optional[
         UnsignedDataObjectPropertiesType
diff --git a/pyhanko/pdf_utils/crypt/__init__.py b/pyhanko/pdf_utils/crypt/__init__.py
index c886a938..e6b05412 100644
--- a/pyhanko/pdf_utils/crypt/__init__.py
+++ b/pyhanko/pdf_utils/crypt/__init__.py
@@ -55,6 +55,7 @@
 As long as you don't require access to encoded object data and/or raw encrypted
 object data, this distiction should be irrelevant to you as an API user.
 """
+
 from .api import (
     ALL_PERMS,
     IDENTITY,
diff --git a/pyhanko/pdf_utils/filters.py b/pyhanko/pdf_utils/filters.py
index 2cfbcec6..891e83b6 100644
--- a/pyhanko/pdf_utils/filters.py
+++ b/pyhanko/pdf_utils/filters.py
@@ -7,6 +7,7 @@
 Note that not all decoders specified in the standard are supported.
 In particular ``/LZWDecode`` and the various JPEG-based decoders are missing.
 """
+
 import binascii
 import re
 import struct
diff --git a/pyhanko/pdf_utils/font/opentype.py b/pyhanko/pdf_utils/font/opentype.py
index be4ff47e..cd612afd 100644
--- a/pyhanko/pdf_utils/font/opentype.py
+++ b/pyhanko/pdf_utils/font/opentype.py
@@ -3,6 +3,7 @@
 This module relies on `fontTools <https://pypi.org/project/fonttools/>`_ for
 OTF parsing and subsetting, and on HarfBuzz (via ``uharfbuzz``) for shaping.
 """
+
 import logging
 from binascii import hexlify
 from dataclasses import dataclass
diff --git a/pyhanko/pdf_utils/generic.py b/pyhanko/pdf_utils/generic.py
index aa26e2d2..fcf85af5 100644
--- a/pyhanko/pdf_utils/generic.py
+++ b/pyhanko/pdf_utils/generic.py
@@ -5,6 +5,7 @@
 See :ref:`here <pypdf2-license>` for the original license
 of the PyPDF2 project.
 """
+
 import binascii
 import codecs
 import decimal
diff --git a/pyhanko/pdf_utils/metadata/model.py b/pyhanko/pdf_utils/metadata/model.py
index 726554d3..e83a0d1b 100644
--- a/pyhanko/pdf_utils/metadata/model.py
+++ b/pyhanko/pdf_utils/metadata/model.py
@@ -5,6 +5,7 @@
 in addition to a simplified document metadata model used for automated
 metadata management.
 """
+
 import enum
 from dataclasses import dataclass, field
 from datetime import datetime
diff --git a/pyhanko/pdf_utils/misc.py b/pyhanko/pdf_utils/misc.py
index 7e68ed8a..3044b018 100644
--- a/pyhanko/pdf_utils/misc.py
+++ b/pyhanko/pdf_utils/misc.py
@@ -7,7 +7,6 @@
 classes.
 """
 
-
 import os
 from dataclasses import dataclass
 from datetime import datetime, timezone
diff --git a/pyhanko/pdf_utils/reader.py b/pyhanko/pdf_utils/reader.py
index d77ac415..6f8da6a5 100644
--- a/pyhanko/pdf_utils/reader.py
+++ b/pyhanko/pdf_utils/reader.py
@@ -9,6 +9,7 @@
 This comes at a cost, and future iterations of this module may offer more
 flexibility in terms of the level of detail with which file size is scrutinised.
 """
+
 import logging
 import os
 import re
diff --git a/pyhanko/pdf_utils/rw_common.py b/pyhanko/pdf_utils/rw_common.py
index 294995d7..6898e6ea 100644
--- a/pyhanko/pdf_utils/rw_common.py
+++ b/pyhanko/pdf_utils/rw_common.py
@@ -1,4 +1,5 @@
 """Utilities common to reading and writing PDF files."""
+
 from typing import Tuple
 
 from . import generic, misc
diff --git a/pyhanko/pdf_utils/xref.py b/pyhanko/pdf_utils/xref.py
index b43eda7f..03c490e8 100644
--- a/pyhanko/pdf_utils/xref.py
+++ b/pyhanko/pdf_utils/xref.py
@@ -5,7 +5,6 @@
 This entire module is considered internal API.
 """
 
-
 import enum
 import logging
 import os
diff --git a/pyhanko/sign/diff_analysis/commons.py b/pyhanko/sign/diff_analysis/commons.py
index 9df29d27..0d3dd18e 100644
--- a/pyhanko/sign/diff_analysis/commons.py
+++ b/pyhanko/sign/diff_analysis/commons.py
@@ -4,7 +4,6 @@
 In principle, these aren't relevant to the high-level validation API.
 """
 
-
 import logging
 from typing import Callable, FrozenSet, Generator, Optional, Set, Tuple, TypeVar
 
diff --git a/pyhanko/sign/diff_analysis/rules_api.py b/pyhanko/sign/diff_analysis/rules_api.py
index 4f14a063..40a61b37 100644
--- a/pyhanko/sign/diff_analysis/rules_api.py
+++ b/pyhanko/sign/diff_analysis/rules_api.py
@@ -3,6 +3,7 @@
 
 In principle, these aren't relevant to the high-level validation API.
 """
+
 import logging
 from dataclasses import dataclass
 from dataclasses import field as dataclass_field
diff --git a/pyhanko/sign/fields.py b/pyhanko/sign/fields.py
index f8490aaa..6919b808 100644
--- a/pyhanko/sign/fields.py
+++ b/pyhanko/sign/fields.py
@@ -1,6 +1,7 @@
 """
 Utilities to deal with signature form fields and their properties in PDF files.
 """
+
 import logging
 from dataclasses import dataclass
 from enum import Enum, Flag, unique
diff --git a/pyhanko/sign/pkcs11.py b/pyhanko/sign/pkcs11.py
index c818b8d3..d0abb53f 100644
--- a/pyhanko/sign/pkcs11.py
+++ b/pyhanko/sign/pkcs11.py
@@ -3,6 +3,7 @@
 for `python-pkcs11 <https://github.com/danni/python-pkcs11>`_ that can be
 seamlessly plugged into a :class:`~.signers.PdfSigner`.
 """
+
 import asyncio
 import binascii
 import logging
diff --git a/pyhanko/sign/signers/constants.py b/pyhanko/sign/signers/constants.py
index 58f15c38..234109bd 100644
--- a/pyhanko/sign/signers/constants.py
+++ b/pyhanko/sign/signers/constants.py
@@ -2,6 +2,7 @@
 This module defines constants & defaults used by pyHanko when creating digital
 signatures.
 """
+
 from pyhanko.pdf_utils import generic
 from pyhanko.pdf_utils.extensions import (
     DeveloperExtension,
diff --git a/pyhanko/sign/signers/pdf_cms.py b/pyhanko/sign/signers/pdf_cms.py
index 5992514c..04ce09cb 100644
--- a/pyhanko/sign/signers/pdf_cms.py
+++ b/pyhanko/sign/signers/pdf_cms.py
@@ -2,6 +2,7 @@
 This module defines utility classes to format CMS objects for use in PDF
 signatures.
 """
+
 import asyncio
 import logging
 import warnings
diff --git a/pyhanko/sign/signers/pdf_signer.py b/pyhanko/sign/signers/pdf_signer.py
index 439c7954..f656dbd4 100644
--- a/pyhanko/sign/signers/pdf_signer.py
+++ b/pyhanko/sign/signers/pdf_signer.py
@@ -1,6 +1,7 @@
 """
 This module implements support for PDF-specific signing functionality.
 """
+
 import asyncio
 import enum
 import logging
diff --git a/pyhanko/sign/timestamps/api.py b/pyhanko/sign/timestamps/api.py
index 3d98fd45..da7e1b61 100644
--- a/pyhanko/sign/timestamps/api.py
+++ b/pyhanko/sign/timestamps/api.py
@@ -6,6 +6,7 @@
 :rfc:`3161`-compliant time stamping
 authorities.
 """
+
 import asyncio
 
 from asn1crypto import algos, cms, tsp
diff --git a/pyhanko/sign/validation/ades.py b/pyhanko/sign/validation/ades.py
index 3aed1f75..5bae5e47 100644
--- a/pyhanko/sign/validation/ades.py
+++ b/pyhanko/sign/validation/ades.py
@@ -7,6 +7,7 @@
     implemented at this stage. There will be bugs, and API changes may still
     occur.
 """
+
 import asyncio
 import dataclasses
 import itertools
@@ -246,17 +247,17 @@ def update(self, status_cls, with_ts, with_attrs):
         if with_ts and self.signature_ts_validity:
             status_kwargs['timestamp_validity'] = self.signature_ts_validity
         if with_ts and self.content_ts_validity:
-            status_kwargs[
-                'content_timestamp_validity'
-            ] = self.content_ts_validity
+            status_kwargs['content_timestamp_validity'] = (
+                self.content_ts_validity
+            )
         if with_attrs and self.signer_attr_status:
             status_kwargs['ac_attrs'] = self.signer_attr_status.ac_attrs
-            status_kwargs[
-                'cades_signer_attrs'
-            ] = self.signer_attr_status.cades_signer_attrs
-            status_kwargs[
-                'ac_validation_errs'
-            ] = self.signer_attr_status.ac_validation_errs
+            status_kwargs['cades_signer_attrs'] = (
+                self.signer_attr_status.cades_signer_attrs
+            )
+            status_kwargs['ac_validation_errs'] = (
+                self.signer_attr_status.ac_validation_errs
+            )
         return status_cls(**status_kwargs)
 
 
@@ -270,8 +271,7 @@ async def ades_timestamp_validation(
     timing_info: Optional[ValidationTimingInfo] = None,
     validation_data_handlers: Optional[ValidationDataHandlers] = None,
     extra_status_kwargs: Optional[Dict[str, Any]] = None,
-) -> AdESBasicValidationResult:
-    ...
+) -> AdESBasicValidationResult: ...
 
 
 @overload
@@ -283,8 +283,7 @@ async def ades_timestamp_validation(
     timing_info: Optional[ValidationTimingInfo] = None,
     validation_data_handlers: Optional[ValidationDataHandlers] = None,
     extra_status_kwargs: Optional[Dict[str, Any]] = None,
-) -> AdESBasicValidationResult:
-    ...
+) -> AdESBasicValidationResult: ...
 
 
 async def ades_timestamp_validation(
@@ -600,8 +599,7 @@ async def ades_basic_validation(
     validation_data_handlers: Optional[ValidationDataHandlers] = None,
     signature_not_before_time: Optional[datetime] = None,
     extra_status_kwargs: Optional[Dict[str, Any]] = None,
-) -> AdESBasicValidationResult:
-    ...
+) -> AdESBasicValidationResult: ...
 
 
 @overload
@@ -614,8 +612,7 @@ async def ades_basic_validation(
     validation_data_handlers: Optional[ValidationDataHandlers] = None,
     signature_not_before_time: Optional[datetime] = None,
     extra_status_kwargs: Optional[Dict[str, Any]] = None,
-) -> AdESBasicValidationResult:
-    ...
+) -> AdESBasicValidationResult: ...
 
 
 async def ades_basic_validation(
@@ -789,8 +786,7 @@ async def ades_with_time_validation(
     validation_data_handlers: Optional[ValidationDataHandlers] = None,
     signature_not_before_time: Optional[datetime] = None,
     extra_status_kwargs: Optional[Dict[str, Any]] = None,
-) -> AdESWithTimeValidationResult:
-    ...
+) -> AdESWithTimeValidationResult: ...
 
 
 @overload
@@ -804,8 +800,7 @@ async def ades_with_time_validation(
     validation_data_handlers: Optional[ValidationDataHandlers] = None,
     signature_not_before_time: Optional[datetime] = None,
     extra_status_kwargs: Optional[Dict[str, Any]] = None,
-) -> AdESWithTimeValidationResult:
-    ...
+) -> AdESWithTimeValidationResult: ...
 
 
 async def ades_with_time_validation(
diff --git a/pyhanko/sign/validation/generic_cms.py b/pyhanko/sign/validation/generic_cms.py
index 9eb67e6e..482215c4 100644
--- a/pyhanko/sign/validation/generic_cms.py
+++ b/pyhanko/sign/validation/generic_cms.py
@@ -571,8 +571,7 @@ async def async_validate_cms_signature(
     validation_context: Optional[ValidationContext] = None,
     status_kwargs: Optional[dict] = None,
     key_usage_settings: Optional[KeyUsageConstraints] = None,
-) -> StatusType:
-    ...
+) -> StatusType: ...
 
 
 @overload
@@ -583,8 +582,7 @@ async def async_validate_cms_signature(
     validation_context: Optional[ValidationContext] = None,
     status_kwargs: Optional[dict] = None,
     key_usage_settings: Optional[KeyUsageConstraints] = None,
-) -> SignatureStatus:
-    ...
+) -> SignatureStatus: ...
 
 
 async def async_validate_cms_signature(
diff --git a/pyhanko/sign/validation/ltv.py b/pyhanko/sign/validation/ltv.py
index 4bf4de92..f6de2102 100644
--- a/pyhanko/sign/validation/ltv.py
+++ b/pyhanko/sign/validation/ltv.py
@@ -345,10 +345,10 @@ async def async_validate_pdf_ltv_signature(
             retroactive_revinfo=retroactive
         )
         if ac_validation_context_kwargs is not None:
-            ac_validation_context_kwargs[
-                'revinfo_policy'
-            ] = _strict_ltv_internal_revo_policy(
-                retroactive_revinfo=retroactive
+            ac_validation_context_kwargs['revinfo_policy'] = (
+                _strict_ltv_internal_revo_policy(
+                    retroactive_revinfo=retroactive
+                )
             )
     elif 'revocation_mode' not in vc_kwargs:
         vc_kwargs.setdefault(
diff --git a/pyhanko/sign/validation/report/tools.py b/pyhanko/sign/validation/report/tools.py
index 757045b3..4d117abb 100644
--- a/pyhanko/sign/validation/report/tools.py
+++ b/pyhanko/sign/validation/report/tools.py
@@ -114,10 +114,10 @@ def _summarise_attrs(
             )
         )
         oid = commitment_type['commitment_type_id']
-        kwargs[
-            'commitment_type_indication'
-        ] = ts_11910202.SACommitmentTypeIndicationType(
-            signed=True, commitment_type_identifier=f'urn:oid:{oid.dotted}'
+        kwargs['commitment_type_indication'] = (
+            ts_11910202.SACommitmentTypeIndicationType(
+                signed=True, commitment_type_identifier=f'urn:oid:{oid.dotted}'
+            )
         )
     except NonexistentAttributeError:
         pass
@@ -148,11 +148,11 @@ def _summarise_attrs(
 
     # signature_production_place (SASignatureProductionPlaceType)
     if '/Location' in embedded_sig.sig_object:
-        kwargs[
-            'signature_production_place'
-        ] = ts_11910202.SASignatureProductionPlaceType(
-            signed=True,
-            address_string=(str(embedded_sig.sig_object['/Location']),),
+        kwargs['signature_production_place'] = (
+            ts_11910202.SASignatureProductionPlaceType(
+                signed=True,
+                address_string=(str(embedded_sig.sig_object['/Location']),),
+            )
         )
     # signer_role (SASignerRoleType)
     if api_status.cades_signer_attrs:
@@ -355,11 +355,11 @@ def _package_validation_object(vo: ValidationObject):
     return ts_11910202.ValidationObjectType(
         id=derive_validation_object_identifier(vo),
         object_type=vo.object_type.urn(),
-        validation_object_representation=ts_11910202.ValidationObjectRepresentationType(
-            base64=bin_data
-        )
-        if bin_data
-        else None,
+        validation_object_representation=(
+            ts_11910202.ValidationObjectRepresentationType(base64=bin_data)
+            if bin_data
+            else None
+        ),
     )
 
 
diff --git a/pyhanko/sign/validation/status.py b/pyhanko/sign/validation/status.py
index 1bd42879..69081e72 100644
--- a/pyhanko/sign/validation/status.py
+++ b/pyhanko/sign/validation/status.py
@@ -325,9 +325,9 @@ def from_results(
         cls, results: Iterable[ACValidationResult], parse_error_fatal=False
     ):
         # first, classify the attributes and results by type
-        by_type: Dict[
-            str, Tuple[List[Any], List[ACValidationResult]]
-        ] = defaultdict(lambda: ([], []))
+        by_type: Dict[str, Tuple[List[Any], List[ACValidationResult]]] = (
+            defaultdict(lambda: ([], []))
+        )
         for result in results:
             for attr in result.approved_attributes.values():
                 attr_type = attr['type'].native
diff --git a/pyhanko/stamp.py b/pyhanko/stamp.py
index 4e669335..8fe7cb8c 100644
--- a/pyhanko/stamp.py
+++ b/pyhanko/stamp.py
@@ -7,6 +7,7 @@
 The code in this module is also used by the :mod:`.sign` module to render
 signature appearances.
 """
+
 import enum
 import uuid
 from binascii import hexlify
diff --git a/pyhanko_tests/cli_tests/test_cli_signing.py b/pyhanko_tests/cli_tests/test_cli_signing.py
index 84b3e0f1..8299c212 100644
--- a/pyhanko_tests/cli_tests/test_cli_signing.py
+++ b/pyhanko_tests/cli_tests/test_cli_signing.py
@@ -49,9 +49,11 @@ def _write_user_key(
     pem_bytes = key_handle.private_bytes(
         encoding=serialization.Encoding.PEM,
         format=serialization.PrivateFormat.PKCS8,
-        encryption_algorithm=serialization.BestAvailableEncryption(passphrase)
-        if passphrase
-        else serialization.NoEncryption(),
+        encryption_algorithm=(
+            serialization.BestAvailableEncryption(passphrase)
+            if passphrase
+            else serialization.NoEncryption()
+        ),
     )
 
     fname = 'signer.key.pem'
diff --git a/pyhanko_tests/test_pkcs11.py b/pyhanko_tests/test_pkcs11.py
index 2e0be0cd..645f3ecb 100644
--- a/pyhanko_tests/test_pkcs11.py
+++ b/pyhanko_tests/test_pkcs11.py
@@ -3,6 +3,7 @@
 
 NOTE: these are not run in CI, due to lack of testing setup.
 """
+
 import asyncio
 import binascii
 from io import BytesIO
diff --git a/pyhanko_tests/test_stamp.py b/pyhanko_tests/test_stamp.py
index cf7285e5..e0875f7e 100644
--- a/pyhanko_tests/test_stamp.py
+++ b/pyhanko_tests/test_stamp.py
@@ -218,7 +218,10 @@ def test_japanese_vertical_text_stamp():
     )
     w = empty_page()
     style = QRStampStyle(
-        stamp_text=('テスト\n縦書きテスト\n改行してみましょう（括弧）\nPDF\n' 'ちょっと長めの文を書いてみた。'),
+        stamp_text=(
+            'テスト\n縦書きテスト\n改行してみましょう（括弧）\nPDF\n'
+            'ちょっと長めの文を書いてみた。'
+        ),
         text_box_style=TextBoxStyle(font=gaf, vertical_text=True),
         qr_position=QRPosition.ABOVE_TEXT,
         background=STAMP_ART_CONTENT,