Update helper.py

Remove `background_color`

helper.py

@@ -93,8 +93,9 @@ def show_each_message(message, role, area=None):
         name = gpt_name
         background_color = gpt_background_color
     area[0](f"\n<div class='avatar'>{icon}<h2>{name}：</h2></div>", unsafe_allow_html=True)
-    area[1](f"""<div class='content-div' style='background-color: {background_color};'>\n\n{message}""",
-            unsafe_allow_html=True)
+    #area[1](f"""<div class='content-div' style='background-color: {background_color};'>\n\n{message}""",
+    #        unsafe_allow_html=True)
+    area[1](f"""<div class='content-div'>\n\n{message}</div>""", unsafe_allow_html=True)
 
 
 def show_messages(messages: list):