fix filename

app.py

@@ -33,9 +33,8 @@ if uploaded_file is not None:
         if not file.endswith('.pdf'):
             st.write(f"The other file in the 'uploads' folder is: {file}")
             break
-
     monkeyReader = reader.MonkeyReader('x2d')
-    outline = monkeyReader.readOutline(file)
+    outline = monkeyReader.readOutline(folder_path + file)
     
     for pre, fill, node in outline:
         st.write("%s%s" % (pre, node.name))