Update app.py

app.py

@@ -32,6 +32,8 @@ from langchain.tools import Tool
 LLM._get_litellm_model_name = lambda self, model_name: f"gemini/{model_name}" if not "/" in model_name else model_name
 os.environ["LITELLM_MODEL_DEFAULT_PROVIDER"] = "gemini"
 
+os.environ["OPENAI_API_KEY"] = "sk-dummy-key-for-validation-only"
+
 # Configure logging
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)