Update app.py

app.py

@@ -32,19 +32,27 @@ def convert_history_to_openai_format(history):
         global_system_prompt = "You are a helpful assistant."
         
     formatted_history = [{"role": "system", "content": global_system_prompt}]
-    for user_msg, assistant_msg in history:
-        if isinstance(user_msg, tuple) and ('.png' in user_msg[0] or '.jpg' in user_msg[0]):
-            encoded_image = encode_image(user_msg[0])
-            text = 'Help me based on the image'
-            if user_msg[1] != '':
-                text = user_msg[1]
-            content = [{'type':'text', 'text':text}, {'type':'image_url', 'image_url':{'url':f'data:image/jpeg;base64,{encoded_image}'}}]
-            formatted_history.append({"role": 'user', "content": content})
-        else:
-            formatted_history.append({"role": 'user', "content": user_msg})
-        if isinstance(assistant_msg, str):
-            formatted_history.append({"role": 'assistant', "content": assistant_msg})
     
+    for entry in history:
+        # Ensure entry is a tuple and has exactly two elements
+        if isinstance(entry, tuple) and len(entry) == 2:
+            user_msg, assistant_msg = entry
+            
+            if isinstance(user_msg, tuple) and ('.png' in user_msg[0] or '.jpg' in user_msg[0]):
+                encoded_image = encode_image(user_msg[0])
+                text = 'Help me based on the image'
+                if user_msg[1] != '':
+                    text = user_msg[1]
+                content = [{'type':'text', 'text':text}, {'type':'image_url', 'image_url':{'url':f'data:image/jpeg;base64,{encoded_image}'}}]
+                formatted_history.append({"role": 'user', "content": content})
+            else:
+                formatted_history.append({"role": 'user', "content": user_msg})
+            
+            if isinstance(assistant_msg, str):
+                formatted_history.append({"role": 'assistant', "content": assistant_msg})
+        else:
+            print(f"Unexpected entry format in history: {entry}")  # Debugging output
+
     return formatted_history
 
 def bot(history):
@@ -55,7 +63,7 @@ def bot(history):
     )
     
     chatbot_message = response.choices[0].message['content'].strip()
-    history[-1][1] = chatbot_message
+    history[-1] = (history[-1][0], chatbot_message)  # Update the last entry with the assistant's response
     return history
 
 def add_message(history, message):
@@ -80,4 +88,4 @@ with gr.Blocks() as demo:
     chat_input.submit(lambda message, history: bot(add_message(history, message)), [chat_input, chatbot], [chatbot, chat_input])
 
 # Launch the Gradio interface
-demo.launch()
+demo.launch(share=True)  # Enable public sharing