fix safety check

app.py

@@ -262,7 +262,6 @@ def handle_image_upload_and_gallery_hf(uploaded_files):
 
         ind_small = 0
         for uploaded_file in uploaded_files:
-            uploaded_file.seek(0)
             if SAFE.check_for_inappropriate_content(uploaded_file):
                 clear_image_uploads()
                 report_violation(uploaded_file.name, is_hf=st.session_state['is_hf'])