scraperwiki/dumptruck — pull request #23 by StevenMaude (2014-04-03 14:33:50+00:00)
Title: convert.py: Replace type checks with isinstance.

Lines 97 and 99 fix `str` and `unicode` subclasses raising `ValueError`, e.g. `lxml.etree._ElementStringResult`. Change line 76 for consistency.