[cwconfig] Trim down allowed exceptions in gettext language setting I can't see any valid reason to pass on ImportError and AttributeError. In particular, the latter shadowed a Python 3 error until 4f43e64603ef.

[pkg] Configure "universal" wheel build According to https://packaging.python.org/distributing/#wheels, we should create universal wheels (no 2to3 step, no C extension). Configure this in setup.cfg. [ci skip]

[rqlrewrite] Test and fix potential NameError We were referencing a loop variable, which may lead to a name error and show a potential error if there are several matching variables. To avoid this, introduce a list to hold every encountered variable and process all of them later.

flake8 uicfg