Ran linters

Author: gewenyu99

posthog/ai/anthropic/anthropic.py

@@ -8,7 +8,7 @@
 
 import time
 import uuid
-from typing import Any, Dict, Optional, cast
+from typing import Any, Dict, Optional
 
 from posthog.ai.utils import (
     call_llm_and_track_usage,

posthog/ai/openai/openai_async.py

@@ -1,6 +1,6 @@
 import time
 import uuid
-from typing import Any, Dict, List, Optional, cast
+from typing import Any, Dict, List, Optional
 
 try:
     import openai