remove unused import

Author: alexander-alderman-webb

tests/integrations/anthropic/test_anthropic.py

@@ -12,7 +12,7 @@ async def __call__(self, *args, **kwargs):
 
 
 from anthropic import Anthropic, AnthropicError, AsyncAnthropic, AsyncStream, Stream
-from anthropic.types import MessageDeltaUsage, TextDelta, Usage, MessageStreamEvent
+from anthropic.types import MessageDeltaUsage, TextDelta, Usage
 from anthropic.types.content_block_delta_event import ContentBlockDeltaEvent
 from anthropic.types.content_block_start_event import ContentBlockStartEvent
 from anthropic.types.content_block_stop_event import ContentBlockStopEvent