Update src/streamlit_app.py

src/streamlit_app.py

@@ -241,7 +241,12 @@ with st.sidebar:
     st.markdown("**Rate limit:** ~0.15s per author")
 
 # Main content
-uploaded_file = st.file_uploader("Upload CSV file", type=['csv'])
+uploaded_file = st.file_uploader(
+    "Upload CSV file", 
+    type=['csv'],
+    help="Upload a CSV with 'Name' and optional 'Institution_Hint' columns",
+    key="csv_uploader"  # Add unique key
+)
 
 if uploaded_file is not None:
     try: