def find_for_x_in_y_keys(node):
    """Finds looping against dictionary keys"""
    return (
        isinstance(node, ast.For)
        and h.call_name_is(node.iter, 'keys')
    )
def find_for_x_in_y_keys ( node ) : return ( isinstance ( node , ast . For ) and h . call_name_is ( node . iter , 'keys' ) )
Finds looping against dictionary keys