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import sys
import warnings
import textwrap
msg = textwrap.dedent("""
You are running Setuptools on Python 2, which is no longer
supported and
>>> SETUPTOOLS WILL STOP WORKING <<<
in a subsequent release (no sooner than 2020-04-20).
Please ensure you are installing
Setuptools using pip 9.x or later or pin to `setuptools<45`
in your environment.
If you have done those things and are still encountering
this message, please follow up at
https://bit.ly/setuptools-py2-warning.
""")
pre = "Setuptools will stop working on Python 2\n"
sys.version_info < (3,) and warnings.warn(pre + "*" * 60 + msg + "*" * 60)
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