improve debugging in hugging face spaces

Gradio_UI.py

@@ -291,6 +291,7 @@ class GradioUI:
             ).then(self.interact_with_agent, [stored_messages, chatbot], [chatbot])
 
         share = not os.getenv("GRADIO_SHARE") == "false"
+        print("GRADIO_SHARE is set to", os.getenv("GRADIO_SHARE"))
         demo.launch(debug=True, share=share, **kwargs)
 
 __all__ = ["stream_to_gradio", "GradioUI"]

app.py

@@ -32,12 +32,14 @@ def get_current_time_in_timezone(timezone: str) -> str:
 
 def choose_model():
     if os.getenv("OLLAMA_MODEL"):
+        print("Using an Ollama model")
         return LiteLLMModel(
             model_id=os.getenv("OLLAMA_MODEL"),
             api_base=os.getenv("OLLAMA_ENDPOINT"),
             api_key=os.getenv("OLLAMA_KEY"),
         )
     else:
+        print("Using a HuggingFace model")
         return HfApiModel(
             max_tokens=2096,
             temperature=0.5,