Update app.py

app.py

@@ -68,8 +68,9 @@ def build_experimental_ui():
         query = st.text_input('Input your question', disabled=False, key="text")
 
         questions_file =  st.file_uploader('Upload a CSV file with questions', type=['csv'],accept_multiple_files=False)
-        
-        st.write(pd.read_csv(questions_file.name))
+
+        if questions_file:
+            st.write(pd.read_csv(questions_file))
 
         return