@removals.remove(message='Use is_asn1_token() instead.', version='1.7.0', removal_version='2.0.0')
def is_ans1_token(token):
 return is_asn1_token(token)

@ removals . remove ( message = 'Use is_asn1_token() instead.' , version = '1.7.0' , removal_version = '2.0.0' ) def is_ans1_token ( token ) : return is_asn1_token ( token )
thx to ayoung for sorting this out .