Update kadiApy_ragchain.py

kadiApy_ragchain.py

@@ -227,10 +227,14 @@ class KadiApyRagchain:
     def format_history(self, chat_history):
         formatted_history = []
         for i, entry in enumerate(chat_history, start=1):
-            user_query = entry.get("query", "No query provided")
-            assistant_response = entry.get("response", "No response yet")  
+            # Unpack the tuple
+            user_query = entry[0] if entry[0] is not None else "No query provided"
+            assistant_response = entry[1] if entry[1] is not None else "No response yet"
+            
+            # Format the history
             formatted_history.append(f"Turn {i}:")
             formatted_history.append(f"User Query: {user_query}")
-            formatted_history.append(f"Assistant Response: {assistant_response}")  
+            formatted_history.append(f"Assistant Response: {assistant_response}")
             formatted_history.append("\n")
+        
         return "\n".join(formatted_history)