上传入pdf 报错

[kcxg]

127.0.0.1 - - [31/Mar/2023 11:57:23] "POST /process_pdf HTTP/1.1" 500 -
INFO:werkzeug:127.0.0.1 - - [31/Mar/2023 11:57:23] "POST /process_pdf HTTP/1.1" 500 -
Traceback (most recent call last):
File "D:\huice\chatpdflike\venv\lib\site-packages\pandas\core\indexes\base.py", line 3802, in get_loc
return self._engine.get_loc(casted_key)
File "pandas_libs\index.pyx", line 138, in pandas._libs.index.IndexEngine.get_loc
File "pandas_libs\index.pyx", line 165, in pandas._libs.index.IndexEngine.get_loc
File "pandas_libs\hashtable_class_helper.pxi", line 5745, in pandas._libs.hashtable.PyObjectHashTable.get_item
File "pandas_libs\hashtable_class_helper.pxi", line 5753, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: 'text'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "D:\huice\chatpdflike\venv\lib\site-packages\flask\app.py", line 2551, in call
return self.wsgi_app(environ, start_response)
File "D:\huice\chatpdflike\venv\lib\site-packages\flask\app.py", line 2531, in wsgi_app
File "D:\huice\chatpdflike\venv\lib\site-packages\flask\app.py", line 1823, in full_dispatch_request
rv = self.dispatch_request()
File "D:\huice\chatpdflike\venv\lib\site-packages\flask\app.py", line 1799, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
File "D:\huice\chatpdflike\run.py", line 24, in process_pdf
df = chatbot.paper_df(paper_text)
File "D:\huice\chatpdflike\generate_embedding.py", line 75, in paper_df
df['length'] = df['text'].apply(lambda x: len(x))
File "D:\huice\chatpdflike\venv\lib\site-packages\pandas\core\frame.py", line 3807, in getitem
indexer = self.columns.get_loc(key)
File "D:\huice\chatpdflike\venv\lib\site-packages\pandas\core\indexes\base.py", line 3804, in get_loc
raise KeyError(key) from err
KeyError: 'text'