Fix lint errors in test file

Co-Authored-By: Joe Moura <joao@crewai.com>

tests/test_gemini_2_5_support.py

@@ -1,6 +1,8 @@
 import pytest
+
 from crewai.llm import LLM
 
+
 def test_get_custom_llm_provider_gemini_2_5():
     """Test that the Gemini 2.5 model is correctly identified as a Gemini provider."""
     llm = LLM(model="gemini/gemini-2.5-pro-exp-03-25")