图片转换为PDF cannot import name '_fitz' from 'fitz'

图片转换为PDF本来可以用，突然出现这个包找不到错误：

cannot import name '_fitz' from 'fitz' (C:\Users\lenovo\AppData\Local\ShadowBot\users\640328812650733570\apps\0a63095d-b57a-4e62-a497-c379f43baf23\venv\lib\site-packages\fitz\__init__.py)

Traceback (most recent call last):

 File "C:\Program Files\ShadowBot\shadowbot-5.14.38\python\lib\runpy.py", line 193, in _run_module_as_main

   "__main__", mod_spec)

 File "C:\Program Files\ShadowBot\shadowbot-5.14.38\python\lib\runpy.py", line 85, in _run_code

   exec(code, run_globals)

 File "C:\Program Files\ShadowBot\shadowbot-5.14.38\python\lib\site-packages\xbot_interpreter.py", line 97, in <module>

   main()

 File "C:\Program Files\ShadowBot\shadowbot-5.14.38\python\lib\site-packages\xbot_interpreter.py", line 57, in main

   try:

 File "C:\Users\lenovo\AppData\Local\ShadowBot\users\640328812650733570\apps\0a63095d-b57a-4e62-a497-c379f43baf23\xbot_robot\main.py", line 74, in main

   ], _block=("main", 52, "图片转换为PDF"))

 File "<string>", line 89, in wrapper

 File "<string>", line 84, in wrapper

 File "<string>", line 81, in run

 File "C:\Program Files\ShadowBot\shadowbot-5.14.38\python\lib\importlib\__init__.py", line 127, in import_module

   return _bootstrap._gcd_import(name[level:], package, level)

 File "<frozen importlib._bootstrap>", line 1006, in _gcd_import

 File "<frozen importlib._bootstrap>", line 983, in _find_and_load

 File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked

 File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed

 File "<frozen importlib._bootstrap>", line 1006, in _gcd_import

 File "<frozen importlib._bootstrap>", line 983, in _find_and_load

 File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked

 File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed

 File "<frozen importlib._bootstrap>", line 1006, in _gcd_import

 File "<frozen importlib._bootstrap>", line 983, in _find_and_load

 File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked

 File "<frozen importlib._bootstrap>", line 677, in _load_unlocked

 File "<frozen importlib._bootstrap_external>", line 728, in exec_module

 File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed

 File "C:\Users\lenovo\AppData\Local\ShadowBot\users\640328812650733570\apps\0a63095d-b57a-4e62-a497-c379f43baf23\xbot_extensions\__init__.py", line 3, in <module>

   from . import activity_7ce1d530

 File "C:\Users\lenovo\AppData\Local\ShadowBot\users\640328812650733570\apps\0a63095d-b57a-4e62-a497-c379f43baf23\xbot_extensions\activity_7ce1d530\__init__.py", line 9, in <module>

   from . import pic2pdf

 File "C:\Users\lenovo\AppData\Local\ShadowBot\users\640328812650733570\apps\0a63095d-b57a-4e62-a497-c379f43baf23\xbot_extensions\activity_7ce1d530\pic2pdf.py", line 12, in <module>

   import fitz

 File "C:\Users\lenovo\AppData\Local\ShadowBot\users\640328812650733570\apps\0a63095d-b57a-4e62-a497-c379f43baf23\venv\lib\site-packages\fitz\__init__.py", line 11, in <module>

   from fitz.fitz import *

 File "C:\Users\lenovo\AppData\Local\ShadowBot\users\640328812650733570\apps\0a63095d-b57a-4e62-a497-c379f43baf23\venv\lib\site-packages\fitz\fitz.py", line 17, in <module>

   from . import _fitz

ImportError: cannot import name '_fitz' from 'fitz' (C:\Users\lenovo\AppData\Local\ShadowBot\users\640328812650733570\apps\0a63095d-b57a-4e62-a497-c379f43baf23\venv\lib\site-packages\fitz\__init__.py)