id summary reporter owner description type status priority milestone component version resolution keywords cc 383 Regression of unknown cause using groupby osimons cmlenz "Got a test example that works using latest 0.5.x, but raises exception for latest 0.6dev (r1118): {{{ #!python from itertools import groupby from genshi.template import MarkupTemplate m = MarkupTemplate("""""" ${i} - ${j} """""", lookup='lenient') test = [('a', 1), ('a', 2), ('b', 4)] print m.generate(test=test, groupby=groupby) }}} It should output: {{{ a - ('a', 1)('a', 2) b - ('b', 4) }}} Instead it raises exception: {{{ RuntimeError: maximum recursion depth exceeded while calling a Python object }}} From cmlenz on IRC, this seems to be the minimal test: {{{ #!python expr = Expression('groupby(test, key=lambda (x, y): y)') }}} " defect closed major 0.6 Expression evaluation devel fixed