style: fix linter issue

tests/llm_test.py

@@ -376,6 +376,7 @@ def get_weather_tool_schema():
 def test_context_window_exceeded_error_handling():
     """Test that litellm.ContextWindowExceededError is converted to LLMContextLengthExceededException."""
     from litellm.exceptions import ContextWindowExceededError
+
     from crewai.utilities.exceptions.context_window_exceeding_exception import (
         LLMContextLengthExceededException,
     )