Fix [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate

fix_certifi.py

import certifi
import os
import os.path
import ssl
import stat
import subprocess
import sys

STAT_0o775 = (stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR
              | stat.S_IRGRP | stat.S_IWGRP | stat.S_IXGRP
              | stat.S_IROTH | stat.S_IXOTH)

openssl_dir, openssl_cafile = os.path.split(
    ssl.get_default_verify_paths().openssl_cafile)

print(" -- pip install --upgrade certifi")
subprocess.check_call([sys.executable,
                       "-E", "-s", "-m", "pip", "install", "--upgrade", "certifi"])


# change working directory to the default SSL directory
os.chdir(openssl_dir)
relpath_to_certifi_cafile = os.path.relpath(certifi.where())

print(" -- removing any existing file or link")
try:
    os.remove(openssl_cafile)
except FileNotFoundError:
    pass

  print(" -- creating symlink to certifi certificate bundle")
os.symlink(relpath_to_certifi_cafile, openssl_cafile)

print(" -- setting permissions")
os.chmod(openssl_cafile, STAT_0o775)

print(" -- update complete")