Update app.py

app.py

@@ -127,7 +127,7 @@ def retry_fun_beta(chat_history_beta ):
     Retries the prediction for the last message in the chat history.
     Removes the last interaction and gets a new prediction for the same message from Zephyr-7b-Beta
     """
-     if not chat_history or len(chat_history) < 1:
+    if not chat_history or len(chat_history) < 1:
         raise gr.Error("Chat history is empty or invalid.")
     
     message = chat_history_beta[-1][0]
@@ -141,7 +141,7 @@ def retry_fun_alpha(chat_history_alpha ):
     Retries the prediction for the last message in the chat history.
     Removes the last interaction and gets a new prediction for the same message from Zephyr-7b-Alpha
     """
-     if not chat_history or len(chat_history) < 1:
+    if not chat_history or len(chat_history) < 1:
         raise gr.Error("Chat history is empty or invalid.")
     
     message = chat_history_alpha[-1][0]