Update app.py

app.py

@@ -79,14 +79,17 @@ def generate_response(
 
     context = search_relevant_text(message)  # Get relevant content from PDF
 
-    messages = [{"role": "system", "content": system_message}]
-    for user_msg, bot_msg in history:
-        if user_msg:
-            messages.append({"role": "user", "content": user_msg})
-        if bot_msg:
+    # Start with the system message in the first user message
+    messages = []
+    first_msg = f"{system_message}\n\nContext: {context}\nQuestion: {message}"
+    messages.append({"role": "user", "content": first_msg})
+
+    # Add conversation history ensuring alternating pattern
+    for i, (user_msg, bot_msg) in enumerate(history):
+        if bot_msg:  # Add assistant's previous response
             messages.append({"role": "assistant", "content": bot_msg})
-
-    messages.append({"role": "user", "content": f"Context: {context}\nQuestion: {message}"})
+        if user_msg:  # Add user's previous message
+            messages.append({"role": "user", "content": user_msg})
 
     try:
         response = ""