Update app.py

app.py

@@ -72,7 +72,7 @@ st.subheader('Upload paper in pdf format')
     #     for summ in summ_text:
     #         st.write(summ)
 
-if 'variable_name' not in locals():
+if 'summ_text' not in locals():
     with open('slides_text.pkl', 'rb') as file:
         summ_text = pickle.load(file)