Update app.py

app.py

@@ -28,31 +28,21 @@ def convert_history_to_openai_format(history):
     list of dict: The formatted history for OpenAI with "role" as either "user" or "assistant".
     """
     global global_system_prompt
-    if global_system_prompt is None:
+    if global_system_prompt == None:
         global_system_prompt = "You are a helpful assistant."
-        
-    formatted_history = [{"role": "system", "content": global_system_prompt}]
-    
-    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})
+    formatted_history = [{"role": "system", "content": global_system_prompt},]
+    for user_msg, assistant_msg in history:
+        if ('.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:
-            print(f"Unexpected entry format in history: {entry}")  # Debugging output
-
+            formatted_history.append({"role": 'user', "content": user_msg})
+        if isinstance(assistant_msg,str):
+            formatted_history.append({"role": 'assistant', "content": assistant_msg})
     return formatted_history
 
 def bot(history):