Update app.py

app.py

@@ -50,7 +50,7 @@ def get_csv_file(csv_docs):
 def get_json_file(json_docs):
     temp_dir = tempfile.TemporaryDirectory()
     json_loader=JSONLoader(
-        temp_filepath,
+        temp_filepath=os.path.join(temp_dir.name, pdf_docs.name),
         jq_schema='.',
         text_content=False,
         json_lines=True