diff --git a/app/dashboard/views/fido_setup.py b/app/dashboard/views/fido_setup.py
index a70bc8ee..14c1b471 100644
--- a/app/dashboard/views/fido_setup.py
+++ b/app/dashboard/views/fido_setup.py
@@ -62,25 +62,29 @@ def fido_setup():
             LOG.error(f"An error occurred in WebAuthn registration process: {e}")
             flash("Key registration failed.", "warning")
             return redirect(url_for("dashboard.index"))
-        
+
         if current_user.fido_uuid is None:
             current_user.fido_uuid = fido_uuid
 
         FIDO.create(
-            credential_id = str(fido_credential.credential_id, "utf-8"),
-            uuid = fido_uuid,
-            public_key = str(fido_credential.public_key, "utf-8"),
-            sign_count = fido_credential.sign_count,
+            credential_id=str(fido_credential.credential_id, "utf-8"),
+            uuid=fido_uuid,
+            public_key=str(fido_credential.public_key, "utf-8"),
+            sign_count=fido_credential.sign_count,
         )
         db.session.commit()
 
-        LOG.d(f"credential_id={str(fido_credential.credential_id, 'utf-8')} added for {fido_uuid}")
+        LOG.d(
+            f"credential_id={str(fido_credential.credential_id, 'utf-8')} added for {fido_uuid}"
+        )
 
         flash("Security key has been activated", "success")
         return redirect(url_for("dashboard.recovery_code_route"))
 
     # Prepare information for key registration process
-    fido_uuid = str(uuid.uuid4()) if current_user.fido_uuid is None else current_user.fido_uuid
+    fido_uuid = (
+        str(uuid.uuid4()) if current_user.fido_uuid is None else current_user.fido_uuid
+    )
     challenge = secrets.token_urlsafe(32)
 
     credential_create_options = webauthn.WebAuthnMakeCredentialOptions(
@@ -102,11 +106,13 @@ def fido_setup():
 
     # Prevent user from adding duplicated keys
     for record in fido_model:
-        registration_dict["excludeCredentials"].append({
-            'type': 'public-key',
-            'id': record.credential_id,
-            'transports': ['usb', 'nfc', 'ble', 'internal'],
-        })
+        registration_dict["excludeCredentials"].append(
+            {
+                "type": "public-key",
+                "id": record.credential_id,
+                "transports": ["usb", "nfc", "ble", "internal"],
+            }
+        )
 
     session["fido_uuid"] = fido_uuid
     session["fido_challenge"] = challenge.rstrip("=")
diff --git a/app/models.py b/app/models.py
index 72747c50..4d5f57c3 100644
--- a/app/models.py
+++ b/app/models.py
@@ -119,13 +119,19 @@ class AliasGeneratorEnum(EnumE):
     word = 1  # aliases are generated based on random words
     uuid = 2  # aliases are generated based on uuid
 
+
 class FIDO(db.Model, ModelMixin):
     __tablename__ = "fido"
     credential_id = db.Column(db.String(), nullable=False, unique=True, index=True)
-    uuid = db.Column(db.ForeignKey("users.fido_uuid", ondelete="cascade"), unique=False, nullable=False)
+    uuid = db.Column(
+        db.ForeignKey("users.fido_uuid", ondelete="cascade"),
+        unique=False,
+        nullable=False,
+    )
     public_key = db.Column(db.String(), nullable=False, unique=True)
     sign_count = db.Column(db.Integer(), nullable=False)
 
+
 class User(db.Model, ModelMixin, UserMixin):
     __tablename__ = "users"
     email = db.Column(db.String(256), unique=True, nullable=False)
diff --git a/server.py b/server.py
index e15fd372..3e20335e 100644
--- a/server.py
+++ b/server.py
@@ -148,16 +148,16 @@ def fake_data():
     db.session.commit()
 
     FIDO.create(
-        credential_id = "umR9q5vX61XG7vh7gi8wT0gJ9LkYwHKSzDL5vhtZs3o",
-        uuid = "59576167-6c37-4d67-943b-4683b24ff821",
-        public_key = "pQECAyYgASFYIEjQg3TOuUZJxylLE6gJDNHcNyYVW5hOAZ-vGOY9I_TDIlggfJqIh07bj3n6RVmrEsuozsYPYM6VeJKCeduz0DFp8AY",
-        sign_count = 1,
+        credential_id="umR9q5vX61XG7vh7gi8wT0gJ9LkYwHKSzDL5vhtZs3o",
+        uuid="59576167-6c37-4d67-943b-4683b24ff821",
+        public_key="pQECAyYgASFYIEjQg3TOuUZJxylLE6gJDNHcNyYVW5hOAZ-vGOY9I_TDIlggfJqIh07bj3n6RVmrEsuozsYPYM6VeJKCeduz0DFp8AY",
+        sign_count=1,
     )
     FIDO.create(
-        credential_id = "1mR9q5vX61XG7vh7gi8wT0gJ9LkYwHKSzDL5vhtZs3o",
-        uuid = "59576167-6c37-4d67-943b-4683b24ff821",
-        public_key = "1QECAyYgASFYIEjQg3TOuUZJxylLE6gJDNHcNyYVW5hOAZ-vGOY9I_TDIlggfJqIh07bj3n6RVmrEsuozsYPYM6VeJKCeduz0DFp8AY",
-        sign_count = 1,
+        credential_id="1mR9q5vX61XG7vh7gi8wT0gJ9LkYwHKSzDL5vhtZs3o",
+        uuid="59576167-6c37-4d67-943b-4683b24ff821",
+        public_key="1QECAyYgASFYIEjQg3TOuUZJxylLE6gJDNHcNyYVW5hOAZ-vGOY9I_TDIlggfJqIh07bj3n6RVmrEsuozsYPYM6VeJKCeduz0DFp8AY",
+        sign_count=1,
     )
     db.session.commit()