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Replace Deprecated `logging.warn`

pixee:python/fix-deprecated-logging-warn

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LowMerge Without ReviewNo

The warn method from logging has been deprecated in favor of warning since Python 3.3. Since the old method warn has been retained for a long time, there are a lot of developers that are unaware of this change and consequently a lot of code using the older method.

Our changes look like the following:

 import logging

- logging.warn("hello")
+ logging.warning("hello")
...
log = logging.getLogger("my logger")
- log.warn("hello")
+ log.warning("hello")

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F.A.Q.

Why is this codemod marked as Merge Without Review?

This change fixes deprecated uses and is safe.

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