fix

app.py

@@ -192,7 +192,7 @@ if __name__=='__main__':
 
         show_instruction('2. Select sites to mask out and click "Confirm"',fontsize=16)
         annotate_mask(1,sent_1)
-        show_instruction('',fontsize=32)
+        show_instruction(' ',fontsize=32)
         annotate_mask(2,sent_2)
         if st.button('Confirm',key='mask'):
             st.session_state['page_status'] = 'annotate_options'
@@ -204,7 +204,7 @@ if __name__=='__main__':
 
         show_instruction('3. Select options and click "Confirm"')
         annotate_options(1,sent_1)
-        show_instruction('',fontsize=32)
+        show_instruction(' ',fontsize=32)
         annotate_options(2,sent_2)
         if st.button('Confirm',key='option'):
             st.session_state['page_status'] = 'analysis'