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core/csrf.py

@@ -32,7 +32,9 @@ class CSRFProtection:
 
             # Recreate signature
             message = f"{session_id}:{nonce}".encode()
-            expected_signature = hmac.new(self.secret_key, message, hashlib.sha256).hexdigest()
+            expected_signature = hmac.new(
+                self.secret_key, message, hashlib.sha256
+            ).hexdigest()
 
             # Constant-time comparison
             return hmac.compare_digest(signature, expected_signature)