问在运行由pyinstaller编译的EXE时找不到'google-api-python-client‘发行版

EN

from googleapiclient.discovery import build 

events_result = service.events().list(calendarId='primary', timeMin=now,
                                        maxResults=100, singleEvents=True,
                                        orderBy='startTime').execute()

72 INFO: PyInstaller: 4.1.dev0
72 INFO: Python: 3.9.0
74 INFO: Platform: Windows-10-10.0.18362-SP0
79 INFO: wrote C:\Users\PC\AppData\Local\Programs\Python\Python39\Scripts\main.spec
82 INFO: UPX is not available.
83 INFO: Extending PYTHONPATH with paths

Traceback (most recent call last):
  File "main.py", line 10, in <module>
  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
  File "C:\Users\PC\AppData\Local\Programs\Python\Python39\lib\site-packages\PyInstaller\loader\pyimod03_importers.py", line 493, in exec_module
    exec(bytecode, module.__dict__)
  File "googleapiclient\discovery.py", line 68, in <module>
  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
  File "C:\Users\PC\AppData\Local\Programs\Python\Python39\lib\site-packages\PyInstaller\loader\pyimod03_importers.py", line 493, in exec_module
    exec(bytecode, module.__dict__)
  File "googleapiclient\http.py", line 67, in <module>
  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
  File "C:\Users\PC\AppData\Local\Programs\Python\Python39\lib\site-packages\PyInstaller\loader\pyimod03_importers.py", line 493, in exec_module
    exec(bytecode, module.__dict__)
  File "googleapiclient\model.py", line 36, in <module>
  File "pkg_resources\__init__.py", line 480, in get_distribution
  File "pkg_resources\__init__.py", line 356, in get_provider
  File "pkg_resources\__init__.py", line 899, in require
  File "pkg_resources\__init__.py", line 785, in resolve
pkg_resources.DistributionNotFound: The 'google-api-python-client' distribution was not found and is required by the application
[15548] Failed to execute script main

from googleapiclient.discovery import build 

PyInstaller -F       C:\Users\PC\PycharmProjects\.....

import PyInstaller.__main__
PyInstaller.__main__.run([
    'main.py',
    '--onefile',
    '--windowed'
])