<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _version_less_than_or_equal_to(self, v1, v2):
 """ Returns true if v1 <= v2. """

        # pylint: disable=no-name-in-module, import-error
        from distutils.version import LooseVersion
        return LooseVersion(v1) <= LooseVersion(v2)