fix: resolve linting errors (line length and unused import)

Author: gn00295120

src/agents/run.py

@@ -1299,7 +1299,9 @@ async def _run_single_turn_streamed(
 
                             reasoning_item = ReasoningItem(raw_item=output_item, agent=agent)
                             streamed_result._event_queue.put_nowait(
-                                RunItemStreamEvent(item=reasoning_item, name="reasoning_item_created")
+                                RunItemStreamEvent(
+                                    item=reasoning_item, name="reasoning_item_created"
+                                )
                             )
         except Exception:
             # Track that a request was made, even if we didn't get usage info from the response

tests/test_usage_tracking_on_error.py

@@ -100,7 +100,7 @@ async def test_usage_tracking_multi_turn_with_error():
 
     from agents.usage import Usage
 
-    from .test_responses import get_function_tool, get_function_tool_call, get_text_message
+    from .test_responses import get_function_tool, get_function_tool_call
 
     model = FakeModel()