relative imports doesn't work for python 2.4

[eamonnkenny]

from .keys import keys

doesn't seem to work for pygithub3/service/user/init.py

this affects many other files also.

[eamonnkenny]

Example of problem

Traceback (most recent call last): File "./github-BugConversion.py", line 99, in ? main(sys.argv) File "./github-BugConversion.py", line 93, in main gitHubXMLobject = GitHubToXML( executableFullPath ) File "./github-BugConversion.py", line 19, in init self.github = Github() File "./python-github3-master/pygithub3/github.py", line 17, in init from pygithub3.services.users import User File "./python-github3-master/pygithub3/services/users/init.py", line 5 from .keys import Keys

Where

python

import sys

sys.version_info (2, 4, 3, 'final', 0)