Traceback (most recent call last):
File "docs.py", line 226, in <module>
main()
File "docs.py", line 174, in main
base_api_path = re.search(r'^([^,]+)[^,]*(?:,\1[^,]*)*$', ','.join(urls)).group(1)
AttributeError: 'NoneType' object has no attribute 'group'