Update app.py

app.py

@@ -51,7 +51,10 @@ 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)
+    json_loader = JSONLoader(temp_filepath,
+                             jq_schema='.messages[].content',
+                             text_content=False
+                            )
     json_doc = json_loader.load()
     return json_doc