environment/lib/python2.7/site-packages/IPython/utils/path.py
def _writable_dir(path):
    """Whether `path` is a directory, to which the user has write access."""
    return os.path.isdir(path) and os.access(path, os.W_OK)
def _writable_dir(path):
    return os.path.isdir(path) and os.access(path, os.W_OK)
def _writable_dir ( path ) : return os . path . isdir ( path ) and os . access ( path , os . W_OK )
Whether `path` is a directory, to which the user has write access.
Whether path is a directory to which the user has write access .