def _get_platform(self):
        # figure out which section to load version pins from

        # if we should check for an environment variable, try it
        platform_env = self._get_platform_from_env ()

        # if there is no environment variable setting, use the default in the config
        # section of the buildout file
        if not platform_env:
            platform_env = self._get_platform_from_config()

        return platform_env
Remove items from the sequence when deleting.
dataset/ETHPy150Open zillow/buildout-platform-versions/buildout_platform_versions/__init__.py/PlatformVersions._get_platform--crossover with--dataset/ETHPy150Open boakley/robotframework-workbench/rwb/lib/configobj.py/Section.__delitem__