Update app.py

app.py

@@ -42,7 +42,7 @@ else:
 html_content = None
 # check if html_content is an url, and show error if it is
 @traceable(run_type="tool")
-def html_content_input:
+def html_content_input():
     html_content = st.text_input("Paste the HTML tags of the item you want to extract:", max_chars=10000, help="example: <li>Product 1 </li>, watch the video above")
         if html_content:
             if html_content.startswith("http"):