Update app.py

app.py

@@ -27,7 +27,8 @@ run = st.button("Run")
 if run:
     with st.spinner("Downloading"):
         loc_link = pdf_links[case_num]
-        shutil.rmtree('PDF Cases/Temp')
+        if os.path.exists('PDF Cases/Temp'):
+            shutil.rmtree('PDF Cases/Temp')
         Scraper.download_loc(loc_link)
         Manager.run('Temp')
         # file = open("PDF Cases/Temp/processed.pkl",'rb')