fix: format by flake8

Author: kentakayama

cwt/utils.py

@@ -122,7 +122,11 @@ def to_cis(context: Dict[str, Any], recipient_alg: Optional[int] = None) -> List
     if "alg" not in context:
         raise ValueError("alg not found.")
     # if context["alg"] not in COSE_NAMED_ALGORITHMS_SUPPORTED:
-    if context["alg"] not in COSE_ALGORITHMS_CEK and context["alg"] not in COSE_ALGORITHMS_MAC and context["alg"] not in COSE_ALGORITHMS_KEY_WRAP:
+    if (
+        context["alg"] not in COSE_ALGORITHMS_CEK
+        and context["alg"] not in COSE_ALGORITHMS_MAC
+        and context["alg"] not in COSE_ALGORITHMS_KEY_WRAP
+    ):
         raise ValueError(f'Unsupported or unknown alg for context information: {context["alg"]}.')
     alg = COSE_NAMED_ALGORITHMS_SUPPORTED[context["alg"]]
     res.append(alg)