Update app.py

app.py

@@ -97,7 +97,7 @@ class ChatbotAPP:
         pattern = r"\(.*?\)|<.*?>.*|\n|\s{3,}"
         # Use re.sub() to replace the matched text with an empty string
         cleaned_text = re.sub(pattern, "", text)
-        cleaned_text = cleaned_text.replace(im_start, "").replace(im_end, "")
+        cleaned_text = cleaned_text.replace("im_start", "").replace("im_end", "").replace("<","").replace("|","")
         return cleaned_text
     
     def upload_to_google_drive(self):    # Method to upload the current chat log to Google Drive