Update app.py

app.py

@@ -52,7 +52,7 @@ def get_json_file(json_docs):
     temp_filepath = os.path.join(temp_dir.name, json_docs.name)
     with open(temp_filepath, "wb") as f:
         f.write(json_docs.getvalue())
-    json_loader = JSONLoader(temp_filepath, jq_schema={})
+    json_loader = JSONLoader(temp_filepath, jq_schema=None)
     users_text = json_loader.load()
     return users_text