Make zoneinfo tzfile superclass less confusing#485
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Specifically, this was confusing to mypy. The new code is slightly easier to understand if you don't know what's going on, IMO, otherwise I wouldn't necessarily change valid upstream code to appease a typechecker. Specifically, before this change: $ mypy dateutil/zoneinfo/__init__.py | grep zoneinfo dateutil/zoneinfo/__init__.py:18: error: Name 'tzfile' already defined (possibly by an import) dateutil/zoneinfo/__init__.py:18: error: Cycle in inheritance hierarchy That Cycle inheritance one is bad enough to cause mypy to give an error even with `--follow-imports=silent`, which might be a bug in mypy.
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This is very reasonable. I will merge when the tests pass. |
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Specifically, this was confusing to mypy.
The new code is slightly easier to understand if you don't know what's going
on, IMO, otherwise I wouldn't necessarily change valid upstream code to appease
a typechecker.
Specifically, before this change:
That Cycle inheritance one is bad enough to cause mypy to give an error even
with
--follow-imports=silent, which might be a bug in mypy, but, like I said,I think the new code is more obvious to humans.