Update app.py

app.py

@@ -90,18 +90,18 @@ def main():
   text_list = []
   causal_sents = []
   uploaded_file = PdfReader('sample_anno.pdf')
-  # try:
-  # #if uploaded_file is not None:
-  #     uploaded_file = st.sidebar.file_uploader("Choose a file", type = "pdf")
-  #   #st.stop()
-  # except:
-  #     #uploaded_file = PdfReader('sample_anno.pdf')
-  #     st.error("Please upload your own PDF to be analyzed")
-
-  # #except:
-  #   #if uploaded_file 
-  #   #st.write("Upload a pdf file...")
-  #   #st.stop()
+  try:
+  #if uploaded_file is not None:
+      uploaded_file = st.sidebar.file_uploader("Choose a file", type = "pdf")
+    #st.stop()
+  except:
+      #uploaded_file = PdfReader('sample_anno.pdf')
+      st.error("Please upload your own PDF to be analyzed")
+
+  #except:
+    #if uploaded_file 
+    #st.write("Upload a pdf file...")
+    #st.stop()
   
   if uploaded_file is not None:
     reader = PdfReader(uploaded_file)