Cecil Westerhof <ce...@decebal.nl> writes: > On my system I have: > PARSER_RE_STR = '/(%s)=' % '|'.join(DN_LUT.keys() + DN_LUT.values()) > in: > /usr/lib/python3.4/site-packages/ndg/httpsclient/ssl_peer_verification.py
Are you in contact with the author of that third-party library? Why is it in your Python 3.4 site-packages? > In Python 3 that gives: > TypeError: unsupported operand type(s) for +: 'dict_keys' and > 'dict_values' > > How should I rewrite this? My attempt: PARSER_RE_STR = "/({keys}|{values})=".format( keys=DN_LUT.keys(), values=DN_LUT.values()) Explicit is better than implicit, especially in mini-languages like string interpolation. -- \ “Often, the surest way to convey misinformation is to tell the | `\ strict truth.” —Mark Twain, _Following the Equator_ | _o__) | Ben Finney -- https://mail.python.org/mailman/listinfo/python-list