[Python-ideas] Backward-incompatible changes for Python 4

[Dan Sommers]

On 4/1/19 11:35 AM, Anders Hovmöller wrote:
> Please let's all agree that April 1 is the worst day of the year.

I can't reproduce your problem.  What version of Python are
you running, and on what OS?

Please show us your program, and tell us what you expected it
to do and what it did that failed to meet those expectations.
Copy and paste exactly any error messages or tracebacks you
received.

See also http://www.sscce.org/ for more information.