"@ seems the syntax that everybody can hate equally"
Implementation by Mark Russell, from SF #979728.

This file isn't meant to be executed, it's data input for test_tokenize.py.
The problem with the .py extension is that it uses "non-standard"
indentation, and it's good to test that, but reindent.py keeps wanting
to fix it.  But fixing the indentation causes the expected-output file to
change, since exact line and column numbers are part of the
tokenize.tokenize() output getting tested.

this thing so it doesn't rely on being unnormalized.  (That's the
editorial "I", if anyone's listening <wink>.)

the tokenize module by test_tokenize.py.  The FutureWarnings only
appeared during installation, and I've figured out a way to suppress
those in a different way.