Leo's TDD design involves imp.reload
<https://docs.python.org/3/library/imp.html>. Alas, *imp.reload affects
super calls!*
This glitch cost me a lot of time last night. The workaround was to use
this pattern, which could be called a form of documentation, and a warning:
if g.isPython3:
super().__init__(*args to ctor*)
else:
# In subclasses:
super(self.__class__, self).__init__(*args to ctor*)
# In the Label base class:
QtWidgets.QLabel.__init__(self, *args to ctor*)
This kind of pattern verges on the intolerable. The python 2 part is a
revolting mess.
There have been a number of stack overflow discussions, some of which are
contradictory! This one
<http://stackoverflow.com/questions/9722343/python-super-behavior-not-dependable>
seems most useful, but it's not the full story.
Edward
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