def _always_strings(env_dict):
    """
    On Windows and Python 2, environment dictionaries must be strings
    and not unicode.
    """
    if IS_WINDOWS or PY2:
        env_dict.update((key, str(value)) for (key, value) in env_dict.items())
    return env_dict
def _always_strings ( env_dict ) : if IS_WINDOWS or PY2 : env_dict . update ( ( key , str ( value ) ) for ( key , value ) in env_dict . items ( ) ) return env_dict
On Windows and Python 2, environment dictionaries must be strings
    and not unicode.