diff --git a/Makefile b/Makefile
index 9c9ddc36..6e5d0b47 100644
--- a/Makefile
+++ b/Makefile
@@ -11,10 +11,10 @@ black-check:
 	poetry run black . --exclude cashu/nostr --check
 
 mypy:
-	poetry run mypy cashu --ignore-missing
+	poetry run mypy cashu tests --ignore-missing
 
 flake8:
-	poetry run flake8 cashu
+	poetry run flake8 cashu tests
 
 format: isort black
 
diff --git a/tests/test_core.py b/tests/test_core.py
index 103dd2da..89fbd866 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -32,7 +32,18 @@ def test_tokenv3_get_proofs():
 
 
 def test_tokenv3_deserialize_serialize_with_dleq():
-    token_str = "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"
+    token_str = (
+        "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIjI4ajhueVNMMU5kZCIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogInFvS01lMGk1LVgyQy0zc29mVUZUb0Ei"
+        "LCAiQyI6ICIwMmIzYWVlMjAxZDRmYzlhODJkYTJiZTVmOTQzODlmOWIxMzg4YzBkMDA3N2M2ODg1MDhjODIzZmU4OTMwY2YwYzYiLCAiZGxlcSI6IHsiZSI6ICJjMmJkNTM"
+        "zMTkyZDI2MzExMzM2MjU1OTUxZmQyZTI2OWEwY2E2ODViMzgxMDcwYTFhMzRiMDViYjVlYTBkNTAzIiwgInMiOiAiNzUxOTc5MDczZjk3YjcyMmYzNzJkMzRjZDhlNmY5MWR"
+        "lYzA0ODE4MTg5NjI3YjYwZWFmYjZjMTY3MjFiZjVmOCIsICJCXyI6ICIwMjVhZjliM2ViNmFkZjgxN2M0YzBjMzhhYWYwZjNhYmJjY2MxODFhY2VmMmNjZTQ4Mzg3MWIwYzE"
+        "yM2UwOTI1NDgiLCAiQ18iOiAiMDNlMDA2YTRiNGI1ODNlMzI5NTNmYzFmMWI4MmQyZTE1MmQyMjdlYTFhZTgyZTEyOWNiYzc3OWQ5NzYwMTc1Mzg4In19LCB7ImlkIjogIjI4"
+        "ajhueVNMMU5kZCIsICJhbW91bnQiOiA4LCAic2VjcmV0IjogIk1TcEdMMG9Qc3cyU2dFOTdvNmh3emciLCAiQyI6ICIwM2EyYjJmMTBjOGI2MjQ0ODRhYmNmYTc3MzUwYjhiN"
+        "WU1NDAwZWFhYmQxNjA0ZTRjYjliYWQyNjJkZmFhOThmYTgiLCAiZGxlcSI6IHsiZSI6ICJkODI0YzRjNGExNTBmZTQxM2JjM2YzOGNkMGE2NjAxZDU1NWVhYzhjOTNmNDMyOT"
+        "c0NzQxMGEwOGMzZmYyNTg4IiwgInMiOiAiMjZkZjdhZTk4NzdjN2YyZTE2N2FkZGI4MWRkYjFlNjg1NTE5NmY1NDE3ZDI3MDFiYTdkZmM0NDlkNjYwNTQyZiIsICJCXyI6ICI"
+        "wMmJlNzQ0NzllOTM0NWU3NWRhNWUzYzliYzcxYjBhMTZlNzZhNDJkMDVjMDA3M2ZjYjgzZmNlYTg3YWJmZGFhYTciLCAiQ18iOiAiMDNkYjA3MjdjYWNjMTQwYTljMzg0YjQx"
+        "ZjJhMjUyYTg3ODI5YWZhMWU4OWJjZTFlMGY4YWQyMGJkNGQ5Zjc4YjgyIn19XSwgIm1pbnQiOiAiaHR0cDovL2xvY2FsaG9zdDozMzM4In1dfQ=="
+    )
     token = TokenV3.deserialize(token_str)
     assert token.serialize(include_dleq=True) == token_str
 
@@ -49,8 +60,26 @@ def test_tokenv3_deserialize_serialize():
 
 
 def test_tokenv3_deserialize_serialize_no_dleq():
-    token_str = "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"
-    token_str_no_dleq = "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIjI4ajhueVNMMU5kZCIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogInFvS01lMGk1LVgyQy0zc29mVUZUb0EiLCAiQyI6ICIwMmIzYWVlMjAxZDRmYzlhODJkYTJiZTVmOTQzODlmOWIxMzg4YzBkMDA3N2M2ODg1MDhjODIzZmU4OTMwY2YwYzYifSwgeyJpZCI6ICIyOGo4bnlTTDFOZGQiLCAiYW1vdW50IjogOCwgInNlY3JldCI6ICJNU3BHTDBvUHN3MlNnRTk3bzZod3pnIiwgIkMiOiAiMDNhMmIyZjEwYzhiNjI0NDg0YWJjZmE3NzM1MGI4YjVlNTQwMGVhYWJkMTYwNGU0Y2I5YmFkMjYyZGZhYTk4ZmE4In1dLCAibWludCI6ICJodHRwOi8vbG9jYWxob3N0OjMzMzgifV19"
+    token_str = (
+        "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIjI4ajhueVNMMU5kZCIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogInFvS01lMGk1LVgyQy0zc29mV"
+        "UZUb0EiLCAiQyI6ICIwMmIzYWVlMjAxZDRmYzlhODJkYTJiZTVmOTQzODlmOWIxMzg4YzBkMDA3N2M2ODg1MDhjODIzZmU4OTMwY2YwYzYiLCAiZGxlcSI6IHsiZ"
+        "SI6ICJjMmJkNTMzMTkyZDI2MzExMzM2MjU1OTUxZmQyZTI2OWEwY2E2ODViMzgxMDcwYTFhMzRiMDViYjVlYTBkNTAzIiwgInMiOiAiNzUxOTc5MDczZjk3YjcyM"
+        "mYzNzJkMzRjZDhlNmY5MWRlYzA0ODE4MTg5NjI3YjYwZWFmYjZjMTY3MjFiZjVmOCIsICJCXyI6ICIwMjVhZjliM2ViNmFkZjgxN2M0YzBjMzhhYWYwZjNhYmJjY"
+        "2MxODFhY2VmMmNjZTQ4Mzg3MWIwYzEyM2UwOTI1NDgiLCAiQ18iOiAiMDNlMDA2YTRiNGI1ODNlMzI5NTNmYzFmMWI4MmQyZTE1MmQyMjdlYTFhZTgyZTEyOWNiY"
+        "zc3OWQ5NzYwMTc1Mzg4In19LCB7ImlkIjogIjI4ajhueVNMMU5kZCIsICJhbW91bnQiOiA4LCAic2VjcmV0IjogIk1TcEdMMG9Qc3cyU2dFOTdvNmh3emciLCAiQ"
+        "yI6ICIwM2EyYjJmMTBjOGI2MjQ0ODRhYmNmYTc3MzUwYjhiNWU1NDAwZWFhYmQxNjA0ZTRjYjliYWQyNjJkZmFhOThmYTgiLCAiZGxlcSI6IHsiZSI6ICJkODI0Y"
+        "zRjNGExNTBmZTQxM2JjM2YzOGNkMGE2NjAxZDU1NWVhYzhjOTNmNDMyOTc0NzQxMGEwOGMzZmYyNTg4IiwgInMiOiAiMjZkZjdhZTk4NzdjN2YyZTE2N2FkZGI4M"
+        "WRkYjFlNjg1NTE5NmY1NDE3ZDI3MDFiYTdkZmM0NDlkNjYwNTQyZiIsICJCXyI6ICIwMmJlNzQ0NzllOTM0NWU3NWRhNWUzYzliYzcxYjBhMTZlNzZhNDJkMDVjM"
+        "DA3M2ZjYjgzZmNlYTg3YWJmZGFhYTciLCAiQ18iOiAiMDNkYjA3MjdjYWNjMTQwYTljMzg0YjQxZjJhMjUyYTg3ODI5YWZhMWU4OWJjZTFlMGY4YWQyMGJkNGQ5Z"
+        "jc4YjgyIn19XSwgIm1pbnQiOiAiaHR0cDovL2xvY2FsaG9zdDozMzM4In1dfQ=="
+    )
+    token_str_no_dleq = (
+        "cashuAeyJ0b2tlbiI6IFt7InByb29mcyI6IFt7ImlkIjogIjI4ajhueVNMMU5kZCIsICJhbW91bnQiOiAyLCAic2VjcmV0IjogInFvS01lMG"
+        "k1LVgyQy0zc29mVUZUb0EiLCAiQyI6ICIwMmIzYWVlMjAxZDRmYzlhODJkYTJiZTVmOTQzODlmOWIxMzg4YzBkMDA3N2M2ODg1MDhjODIzZmU"
+        "4OTMwY2YwYzYifSwgeyJpZCI6ICIyOGo4bnlTTDFOZGQiLCAiYW1vdW50IjogOCwgInNlY3JldCI6ICJNU3BHTDBvUHN3MlNnRTk3bzZod3pn"
+        "IiwgIkMiOiAiMDNhMmIyZjEwYzhiNjI0NDg0YWJjZmE3NzM1MGI4YjVlNTQwMGVhYWJkMTYwNGU0Y2I5YmFkMjYyZGZhYTk4ZmE4In1dLCAib"
+        "WludCI6ICJodHRwOi8vbG9jYWxob3N0OjMzMzgifV19"
+    )
     token = TokenV3.deserialize(token_str)
     assert token.serialize(include_dleq=False) == token_str_no_dleq