.

Author: alexander-alderman-webb

sentry_sdk/integrations/anthropic.py

@@ -39,7 +39,6 @@
 
     from anthropic.resources import AsyncMessages, Messages
 
-    message_types_have_raw_prefix = False
     try:
         # http://github.com/anthropics/anthropic-sdk-python/commit/bc9d11cd2addec6976c46db10b7c89a8c276101a
         from anthropic.types import (
@@ -51,7 +50,12 @@
             RawContentBlockStopEvent,
         )
     except ImportError:
-        message_types_have_raw_prefix = True
+        RawMessageStartEvent = None
+        RawMessageDeltaEvent = None
+        RawMessageStopEvent = None
+        RawContentBlockStartEvent = None
+        RawContentBlockDeltaEvent = None
+        RawContentBlockStopEvent = None
 
     from anthropic.types import (
         MessageStartEvent,
@@ -432,7 +436,7 @@ def new_iterator() -> "Iterator[MessageStreamEvent]":
 
         for event in old_iterator:
             if (
-                message_types_have_raw_prefix
+                RawMessageStartEvent is not None
                 and not isinstance(
                     event,
                     (
@@ -497,7 +501,7 @@ async def new_iterator_async() -> "AsyncIterator[MessageStreamEvent]":
 
         async for event in old_iterator:
             if (
-                message_types_have_raw_prefix
+                RawMessageStartEvent is not None
                 and not isinstance(
                     event,
                     (