fix(ollama_chat.py): fix passing assistant message with tool call param

Fixes https://github.com/BerriAI/litellm/issues/5319

litellm/tests/test_function_calling.py

@@ -54,6 +54,7 @@ def get_current_weather(location, unit="fahrenheit"):
 )
 def test_parallel_function_call(model):
     try:
+        litellm.set_verbose = True
         # Step 1: send the conversation and available functions to the model
         messages = [
             {