Update app.py

app.py

@@ -26,6 +26,7 @@ def invoke(level, question, file_name, ground_truth, openai_api_key, gemini_api_
         try:
             os.environ["OPENAI_API_KEY"] = openai_api_key
             os.environ["GEMINI_API_KEY"] = gemini_api_key
+            os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = gemini_api_key
             
             answer = run_crew(question, file_name)
         except Exception as e:
@@ -33,6 +34,7 @@ def invoke(level, question, file_name, ground_truth, openai_api_key, gemini_api_
         finally:
             del os.environ["OPENAI_API_KEY"]
             del os.environ["GEMINI_API_KEY"]
+            del os.environ["GOOGLE_APPLICATION_CREDENTIALS"]
         
         return answer