IndexError: string index out of range

[ning1022]

when i install mysqlclient in mac .
but:

Collecting mysqlclient
  Downloading mysqlclient-1.3.10.tar.gz (82kB)
    100% |████████████████████████████████| 92kB 176kB/s
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/private/tmp/pip-build-smm1rgql/mysqlclient/setup.py", line 17, in <module>
        metadata, options = get_config()
      File "/private/tmp/pip-build-smm1rgql/mysqlclient/setup_posix.py", line 54, in get_config
        libraries = [dequote(i[2:]) for i in libs if i.startswith('-l')]
      File "/private/tmp/pip-build-smm1rgql/mysqlclient/setup_posix.py", line 54, in <listcomp>
        libraries = [dequote(i[2:]) for i in libs if i.startswith('-l')]
      File "/private/tmp/pip-build-smm1rgql/mysqlclient/setup_posix.py", line 12, in dequote
        if s[0] in "\"'" and s[0] == s[-1]:
    IndexError: string index out of range

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /private/tmp/pip-build-smm1rgql/mysqlclient/

How to solve this problem?

[methane]

#169