<s> from __future__ import absolute_import <EOL> import os <EOL> from gevent . _util import copy_globals <EOL> try : <EOL> if os . environ . get ( '<STR_LIT>' ) : <EOL> raise ImportError ( "<STR_LIT>" ) <EOL> from gevent . libev import corecext as _core <EOL> except ImportError : <EOL> if os . environ . get ( '<STR_LIT>' ) : <EOL> raise <EOL> from gevent . libev import corecffi as _core <EOL> copy_globals ( _core , globals ( ) ) <EOL> __all__ = _core . __all__ </s>
