Update model.py

model.py

@@ -59,9 +59,9 @@ class LiteLLMModel:
                     else self.model_id
                 )
                 response = litellm.completion(
-                    provider=provider,
+                    provider=provider,           # <-- REQUIRED
                     model=model_name,
-                    api_key=api_key,
+                    api_key=api_key,             # <-- REQUIRED
                     messages=messages,
                     tools=formatted_tools,
                     temperature=0.1