diff --git a/examples/fastapi/api.py b/examples/fastapi/api.py
index f784b26..6c2ebbb 100644
--- a/examples/fastapi/api.py
+++ b/examples/fastapi/api.py
@@ -1,6 +1,7 @@
-from jsf import JSF
 from fastapi import FastAPI
 
+from jsf import JSF
+
 app = FastAPI(docs_url="/")
 generator = JSF.from_json("custom.json")
 
diff --git a/examples/fastapi/model.py b/examples/fastapi/model.py
index 1bd448f..7f45b45 100644
--- a/examples/fastapi/model.py
+++ b/examples/fastapi/model.py
@@ -11,62 +11,34 @@
 
 class NewbornItem(BaseModel):
     surname: str = Field(..., description="The newborn's surname, eg: Reid")
-    givenNames: str = Field(
-        ..., description="The newborn's given names, eg: Mathew David"
-    )
+    givenNames: str = Field(..., description="The newborn's given names, eg: Mathew David")
     sex: str = Field(..., description="The newborn's sex, eg: M, F or U")
-    dateOfBirth: str = Field(
-        ..., description="The newborn's date of birth, eg: 17/03/2021"
-    )
+    dateOfBirth: str = Field(..., description="The newborn's date of birth, eg: 17/03/2021")
     birthOrder: str = Field(..., description="The newborn's birth order, eg: 1")
-    indigenousStatus: str = Field(
-        ..., description="The newborn's indigenous status, eg: 14"
-    )
-    uniqueId: str = Field(
-        ..., description="The newborn's unique birth event id, eg: 20474417"
-    )
+    indigenousStatus: str = Field(..., description="The newborn's indigenous status, eg: 14")
+    uniqueId: str = Field(..., description="The newborn's unique birth event id, eg: 20474417")
 
 
 class Address(BaseModel):
-    suburb: str = Field(
-        ..., description='The address suburb (Australia Only), eg: Watson'
-    )
-    postcode: str = Field(
-        ..., description='The address postcode (Australia Only), eg: 2602'
-    )
+    suburb: str = Field(..., description="The address suburb (Australia Only), eg: Watson")
+    postcode: str = Field(..., description="The address postcode (Australia Only), eg: 2602")
     street1: str = Field(
         ...,
-        description='The address street name line 1 (Australia Only), eg: 49 Aspinall St',
-    )
-    street2: str = Field(
-        ..., description='The address street name line 2 (Australia Only), eg: Suite 1'
+        description="The address street name line 1 (Australia Only), eg: 49 Aspinall St",
     )
+    street2: str = Field(..., description="The address street name line 2 (Australia Only), eg: Suite 1")
 
 
 class Parent(BaseModel):
-    surname: Optional[str] = Field(
-        ..., description="The mother's surname, eg: Mcdermott"
-    )
-    givenNames: str = Field(
-        ..., description="The mother's given names, eg: Sarah Lousie"
-    )
+    surname: Optional[str] = Field(..., description="The mother's surname, eg: Mcdermott")
+    givenNames: str = Field(..., description="The mother's given names, eg: Sarah Lousie")
     mailAddress: Address
     residentialAddress: Address
-    mobile: str = Field(
-        ..., description="The mother's mobile phone number, eg: 0400182545"
-    )
-    homePhone: str = Field(
-        ..., description="The mother's home phone number, eg: 0245458450"
-    )
-    email: str = Field(
-        ..., description="The mother's email address, eg: jesse6565656565@gmail.com"
-    )
-    hospital: str = Field(
-        ..., description='The hospital where the birth took place, eg: ACTCC'
-    )
-    dateReceived: str = Field(
-        ..., description='The date the birth event was received, eg: 17/03/2021'
-    )
+    mobile: str = Field(..., description="The mother's mobile phone number, eg: 0400182545")
+    homePhone: str = Field(..., description="The mother's home phone number, eg: 0245458450")
+    email: str = Field(..., description="The mother's email address, eg: jesse6565656565@gmail.com")
+    hospital: str = Field(..., description="The hospital where the birth took place, eg: ACTCC")
+    dateReceived: str = Field(..., description="The date the birth event was received, eg: 17/03/2021")
     personId: str = Field(..., description="The mother's personId, eg: 123456789")
 
 
diff --git a/jsf/parser.py b/jsf/parser.py
index bcbdbd8..8a0cf8d 100644
--- a/jsf/parser.py
+++ b/jsf/parser.py
@@ -20,8 +20,8 @@
     JSFTuple,
     Object,
     OneOf,
-    PrimitiveTypes,
     Primitives,
+    PrimitiveTypes,
 )
 
 logger = logging.getLogger()
@@ -66,9 +66,7 @@ def __parse_object(self, name: str, path: str, schema: Dict[str, Any]) -> Object
         model.properties = props
         pattern_props = []
         for _name, definition in schema.get("patternProperties", {}).items():
-            pattern_props.append(
-                self.__parse_definition(_name, path=f"{path}/{_name}", schema=definition)
-            )
+            pattern_props.append(self.__parse_definition(_name, path=f"{path}/{_name}", schema=definition))
         model.patternProperties = pattern_props
 
         return model
@@ -142,9 +140,7 @@ def __parse_definition(self, name: str, path: str, schema: Dict[str, Any]) -> Al
             assert all(
                 isinstance(item, (int, float, str, type(None))) for item in enum_list
             ), "Enum Type is not null, int, float or string"
-            return JSFEnum.from_dict(
-                {"name": name, "path": path, "is_nullable": is_nullable, **schema}
-            )
+            return JSFEnum.from_dict({"name": name, "path": path, "is_nullable": is_nullable, **schema})
         elif "type" in schema:
             if item_type == "object" and "properties" in schema:
                 return self.__parse_object(name, path, schema)
@@ -157,9 +153,7 @@ def __parse_definition(self, name: str, path: str, schema: Dict[str, Any]) -> Al
             elif item_type == "array":
                 if (schema.get("contains") is not None) or isinstance(schema.get("items"), dict):
                     return self.__parse_array(name, path, schema)
-                if isinstance(schema.get("items"), list) and all(
-                    isinstance(x, dict) for x in schema.get("items", [])
-                ):
+                if isinstance(schema.get("items"), list) and all(isinstance(x, dict) for x in schema.get("items", [])):
                     return self.__parse_tuple(name, path, schema)
             else:
                 return self.__parse_primitive(name, path, schema)
diff --git a/jsf/schema_types/_tuple.py b/jsf/schema_types/_tuple.py
index 063152e..7bdc268 100644
--- a/jsf/schema_types/_tuple.py
+++ b/jsf/schema_types/_tuple.py
@@ -7,9 +7,7 @@
 
 class JSFTuple(BaseSchema):
     items: Optional[List[BaseSchema]] = None
-    additionalItems: Optional[
-        Union[bool, BaseSchema]
-    ] = None  # TODO: Random additional items to be appended
+    additionalItems: Optional[Union[bool, BaseSchema]] = None  # TODO: Random additional items to be appended
     minItems: Optional[int] = 0
     maxItems: Optional[int] = 5
     uniqueItems: Optional[bool] = False
diff --git a/jsf/schema_types/array.py b/jsf/schema_types/array.py
index d23023f..4516320 100644
--- a/jsf/schema_types/array.py
+++ b/jsf/schema_types/array.py
@@ -21,16 +21,12 @@ def generate(self, context: Dict[str, Any]) -> Optional[List[Any]]:
         try:
             return super().generate(context)
         except ProviderNotSetException:
-
             if isinstance(self.fixed, str):
                 self.minItems = self.maxItems = eval(self.fixed, context)()
             elif isinstance(self.fixed, int):
                 self.minItems = self.maxItems = self.fixed
 
-            output = [
-                self.items.generate(context)
-                for _ in range(random.randint(self.minItems, self.maxItems))
-            ]
+            output = [self.items.generate(context) for _ in range(random.randint(self.minItems, self.maxItems))]
             if self.uniqueItems and self.items.type == "object":
                 output = [dict(s) for s in {frozenset(d.items()) for d in output}]
                 while len(output) < self.minItems:
diff --git a/jsf/schema_types/base.py b/jsf/schema_types/base.py
index e1ded1b..7e74328 100644
--- a/jsf/schema_types/base.py
+++ b/jsf/schema_types/base.py
@@ -38,7 +38,6 @@ def from_dict(d):
         raise NotImplementedError  # pragma: no cover
 
     def generate(self, context: Dict[str, Any]) -> Any:
-
         if self.set_state is not None:
             context["state"][self.path] = {k: eval(v, context)() for k, v in self.set_state.items()}
 
diff --git a/jsf/schema_types/number.py b/jsf/schema_types/number.py
index 9be5330..f2ddfb5 100644
--- a/jsf/schema_types/number.py
+++ b/jsf/schema_types/number.py
@@ -17,7 +17,6 @@ def generate(self, context: Dict[str, Any]) -> Optional[float]:
         try:
             return super().generate(context)
         except ProviderNotSetException:
-
             step = self.multipleOf if self.multipleOf is not None else 1
 
             if isinstance(self.exclusiveMinimum, bool):
@@ -34,9 +33,7 @@ def generate(self, context: Dict[str, Any]) -> Optional[float]:
             else:
                 _max = self.maximum
 
-            return float(
-                step * random.randint(math.ceil(float(_min) / step), math.floor(float(_max) / step))
-            )
+            return float(step * random.randint(math.ceil(float(_min) / step), math.floor(float(_max) / step)))
 
     def model(self, context: Dict[str, Any]):
         return self.to_pydantic(context, float)
diff --git a/jsf/schema_types/object.py b/jsf/schema_types/object.py
index f8e4e7e..9512d97 100644
--- a/jsf/schema_types/object.py
+++ b/jsf/schema_types/object.py
@@ -40,9 +40,7 @@ def generate(self, context: Dict[str, Any]) -> Optional[Dict[str, Any]]:
         try:
             return super().generate(context)
         except ProviderNotSetException:
-            explicit_properties = {
-                o.name: o.generate(context) for o in self.properties if self.should_keep(o.name)
-            }
+            explicit_properties = {o.name: o.generate(context) for o in self.properties if self.should_keep(o.name)}
             pattern_props = {}
             if self.patternProperties:
                 for o in self.patternProperties:
diff --git a/jsf/schema_types/string.py b/jsf/schema_types/string.py
index 9d49f86..c4f8924 100644
--- a/jsf/schema_types/string.py
+++ b/jsf/schema_types/string.py
@@ -104,9 +104,7 @@ def fake_duration():
     "iri": faker.uri,
     "iri-reference": lambda: faker.uri() + rstr.xeger(PARAM_PATTERN),
     "uri-template": lambda: rstr.xeger(
-        URI_PATTERN.format(hostname=re.escape(faker.hostname())).replace(
-            "(?:", "(?:/\\{[a-z][:a-zA-Z0-9-]*\\}|"
-        )
+        URI_PATTERN.format(hostname=re.escape(faker.hostname())).replace("(?:", "(?:/\\{[a-z][:a-zA-Z0-9-]*\\}|")
     ),
     "json-pointer": lambda: rstr.xeger(f"(/(?:${FRAGMENT.replace(']*', '/]*')}|~[01]))+"),
     "relative-json-pointer": lambda: rstr.xeger(
@@ -132,9 +130,7 @@ def generate(self, context: Dict[str, Any]) -> Optional[str]:
             return str(content_encoding.encode(s, self.contentEncoding)) if s else s
         except ProviderNotSetException:
             format_map["regex"] = lambda: rstr.xeger(self.pattern)
-            format_map["relative-json-pointer"] = lambda: random.choice(
-                context["state"]["__all_json_paths__"]
-            )
+            format_map["relative-json-pointer"] = lambda: random.choice(context["state"]["__all_json_paths__"])
             if format_map.get(self.format) is not None:
                 return content_encoding.encode(format_map[self.format](), self.contentEncoding)
             if self.pattern is not None:
diff --git a/jsf/schema_types/string_utils/content_type/application__jwt.py b/jsf/schema_types/string_utils/content_type/application__jwt.py
index 0d2f60a..858a94d 100644
--- a/jsf/schema_types/string_utils/content_type/application__jwt.py
+++ b/jsf/schema_types/string_utils/content_type/application__jwt.py
@@ -15,7 +15,6 @@ def base64url_encode(input: bytes):
 
 
 def jwt(api_key, expiry, api_sec):
-
     segments = []
 
     header = {"typ": "JWT", "alg": "HS256"}
@@ -39,7 +38,6 @@ def jwt(api_key, expiry, api_sec):
 
 
 def create_random_jwt(*args, **kwargs):
-
     api_key = secrets.token_urlsafe(16)
     api_sec = secrets.token_urlsafe(16)
 
diff --git a/jsf/schema_types/string_utils/content_type/image__jpeg.py b/jsf/schema_types/string_utils/content_type/image__jpeg.py
index a5be57b..3c6af1d 100644
--- a/jsf/schema_types/string_utils/content_type/image__jpeg.py
+++ b/jsf/schema_types/string_utils/content_type/image__jpeg.py
@@ -7,7 +7,5 @@
 
 def random_jpg(*args, **kwargs) -> str:
     return bytes_str_repr(
-        requests.get(
-            f"https://picsum.photos/{random.randint(1,50)*10}/{random.randint(1,50)*10}.jpg"
-        ).content
+        requests.get(f"https://picsum.photos/{random.randint(1,50)*10}/{random.randint(1,50)*10}.jpg").content
     )
diff --git a/jsf/schema_types/string_utils/content_type/image__webp.py b/jsf/schema_types/string_utils/content_type/image__webp.py
index 83ac6f6..9871387 100644
--- a/jsf/schema_types/string_utils/content_type/image__webp.py
+++ b/jsf/schema_types/string_utils/content_type/image__webp.py
@@ -7,7 +7,5 @@
 
 def random_webp(*args, **kwargs) -> str:
     return bytes_str_repr(
-        requests.get(
-            f"https://picsum.photos/{random.randint(1,50)*10}/{random.randint(1,50)*10}.webp"
-        ).content
+        requests.get(f"https://picsum.photos/{random.randint(1,50)*10}/{random.randint(1,50)*10}.webp").content
     )
diff --git a/jsf/tests/test_cli.py b/jsf/tests/test_cli.py
index df425c1..e269ba4 100644
--- a/jsf/tests/test_cli.py
+++ b/jsf/tests/test_cli.py
@@ -1,19 +1,18 @@
 import json
 from pathlib import Path
 
-from jsf.cli import app
 from jsonschema import validate
 from typer.testing import CliRunner  # pants: no-infer-dep
 
+from jsf.cli import app
+
 runner = CliRunner()
 
 
 def test_app(TestData):
     file = Path("tmp.json")
     try:
-        result = runner.invoke(
-            app, ["--schema", TestData / "custom.json", "--instance", "tmp.json"]
-        )
+        result = runner.invoke(app, ["--schema", TestData / "custom.json", "--instance", "tmp.json"])
         assert result.exit_code == 0
         assert file.exists()
         with open(file, "r") as f:
diff --git a/jsf/tests/test_default_fake.py b/jsf/tests/test_default_fake.py
index 36fa30d..8b31a5f 100644
--- a/jsf/tests/test_default_fake.py
+++ b/jsf/tests/test_default_fake.py
@@ -2,6 +2,7 @@
 import re
 
 import jwt  # pants: no-infer-dep
+
 from jsf.parser import JSF
 
 
@@ -234,12 +235,8 @@ def test_fake_array_dicts(TestData):
     assert isinstance(p.generate(), dict)
     fake_data = [p.generate() for _ in range(1000)]
     assert all(len(d["Basket"]) == 2 for d in fake_data), fake_data
-    assert all(
-        d["Basket"][0]["Item Name"] in ["A", "B", "C", "D", "E"] for d in fake_data
-    ), fake_data
-    assert all(
-        d["Basket"][1]["Item Name"] in ["A", "B", "C", "D", "E"] for d in fake_data
-    ), fake_data
+    assert all(d["Basket"][0]["Item Name"] in ["A", "B", "C", "D", "E"] for d in fake_data), fake_data
+    assert all(d["Basket"][1]["Item Name"] in ["A", "B", "C", "D", "E"] for d in fake_data), fake_data
     assert all(0 <= d["Basket"][0]["Amount"] < 5 for d in fake_data), fake_data
     assert all(0 <= d["Basket"][1]["Amount"] < 5 for d in fake_data), fake_data
 
@@ -324,8 +321,7 @@ def test_fake_string_format(TestData):
     assert all(bool(re.match(r".*@.*", d["email"])) for d in fake_data), fake_data
     assert all(bool(re.match(r".*@.*", d["idn-email"])) for d in fake_data), fake_data
     assert all(
-        bool(re.match(r"\d{4}-\d{2}-\d{2}T\d{2}\:\d{2}\:\d{2}\+\d{2}\:\d{2}", d["date-time"]))
-        for d in fake_data
+        bool(re.match(r"\d{4}-\d{2}-\d{2}T\d{2}\:\d{2}\:\d{2}\+\d{2}\:\d{2}", d["date-time"])) for d in fake_data
     ), fake_data
     assert all(bool(re.match(r"\d{4}-\d{2}-\d{2}", d["date"])) for d in fake_data), fake_data
     assert all(
@@ -337,15 +333,9 @@ def test_fake_string_format(TestData):
         )
         for d in fake_data
     ), fake_data
-    assert all(
-        bool(re.match(r"\d{2}\:\d{2}\:\d{2}\+\d{2}\:\d{2}", d["time"])) for d in fake_data
-    ), fake_data
-    assert all(
-        bool(re.match(r"[a-zA-Z0-9+-\.]{1,33}\.[a-z]{2,4}", d["hostname"])) for d in fake_data
-    )
-    assert all(
-        bool(re.match(r"[a-zA-Z0-9+-\.]{1,33}\.[a-z]{2,4}", d["idn-hostname"])) for d in fake_data
-    )
+    assert all(bool(re.match(r"\d{2}\:\d{2}\:\d{2}\+\d{2}\:\d{2}", d["time"])) for d in fake_data), fake_data
+    assert all(bool(re.match(r"[a-zA-Z0-9+-\.]{1,33}\.[a-z]{2,4}", d["hostname"])) for d in fake_data)
+    assert all(bool(re.match(r"[a-zA-Z0-9+-\.]{1,33}\.[a-z]{2,4}", d["idn-hostname"])) for d in fake_data)
     assert all(bool(re.match(r"[a-f0-9]{0,4}(:[a-f0-9]{0,4}){7}", d["ipv6"])) for d in fake_data), [
         d["ipv6"] for d in fake_data
     ]
diff --git a/jsf/tests/test_model_gen.py b/jsf/tests/test_model_gen.py
index f2a5bbb..e033007 100644
--- a/jsf/tests/test_model_gen.py
+++ b/jsf/tests/test_model_gen.py
@@ -4,9 +4,10 @@
 from typing import List, _GenericAlias
 
 import pytest  # pants: no-infer-dep
-from jsf.parser import JSF
 from pydantic.main import create_model
 
+from jsf.parser import JSF
+
 Object = create_model("Object")
 
 expected = [
diff --git a/jsf/tests/test_parser.py b/jsf/tests/test_parser.py
index 5832b76..7ecae80 100644
--- a/jsf/tests/test_parser.py
+++ b/jsf/tests/test_parser.py
@@ -1,8 +1,8 @@
 import json
 
 import pytest  # pants: no-infer-dep
-from jsf.parser import JSF
 
+from jsf.parser import JSF
 from jsf.schema_types import (
     Array,
     Boolean,
@@ -95,6 +95,7 @@ def test_nested_object_ref(TestData):
     }
     assert {prop.name: type(prop) for prop in p.root.properties[0].properties} == expected_types
 
+
 def test_ordered_refs_object(TestData):
     with open(TestData / "ordered-refs.json", "r") as file:
         schema = json.load(file)
@@ -109,6 +110,7 @@ def test_ordered_refs_object(TestData):
     }
     assert {prop.name: type(prop) for prop in p.root.properties[0].properties} == expected_types
 
+
 def test_unordered_refs_object(TestData):
     with open(TestData / "unordered-refs.json", "r") as file:
         schema = json.load(file)
@@ -122,4 +124,3 @@ def test_unordered_refs_object(TestData):
         "bar": JSFEnum,
     }
     assert {prop.name: type(prop) for prop in p.root.properties[0].properties} == expected_types
-