test_show_versions failing locally
```
>       assert re.search(r"commit\s*:\s[0-9a-f]{40}\n", result)
E       AssertionError: assert None
E        +  where None = <function search at 0x102703560>('commit\\s*:\\s[0-9a-f]{40}\\n', '\nINSTALLED VERSIONS\n------------------\ncommit           : None\npython           : 3.7.6.final.0\npython-bits     ...   : 0.14.1\nxlrd             : 1.2.0\nxlwt             : 1.3.0\nxlsxwriter       : 1.2.1\nnumba            : 0.47.0\n')
E        +    where <function search at 0x102703560> = re.search
```