[AIRFLOW-3868] - Incorrect import of distutils in JenkinsHook

[eladkal]

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Jira

• [V] My PR addresses the following Airflow Jira issues and references them in the PR title. For example, "[AIRFLOW-XXX] My Airflow PR"
  • https://issues.apache.org/jira/browse/AIRFLOW-3868

Description

Fix error AttributeError: module 'distutils' has no attribute 'util'

Before:

Python 3.6.7
>>> import distutils
>>> print (distutils.util.strtobool('true'))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: module 'distutils' has no attribute 'util'
>>>

After:

Python 3.6.7
>>> from distutils.util import strtobool
>>> print (strtobool('true'))
1

Code Quality

• [V] Passes flake8

[codecov-io]

Codecov Report

Merging #4689 into master will not change coverage.
The diff coverage is 50%.

@@           Coverage Diff           @@
##           master    #4689   +/-   ##
=======================================
  Coverage   74.35%   74.35%           
=======================================
  Files         430      430           
  Lines       27962    27962           
=======================================
  Hits        20791    20791           
  Misses       7171     7171

Impacted Files	Coverage Δ
airflow/contrib/hooks/jenkins_hook.py	35.29% <50%> (ø)	⬆️

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[eladkal]

This no longer needed as #4397 was merged.

[Fokko]

I'm sorry @eladkal I was going from old to new.