Public bug reported:

similar to bug 1917318

IMPACT:

Python 3.8 has started to emit warnings for code that confuses equality
and identity. For more background see https://adamj.eu/tech/2020/01/21
/why-does-python-3-8-syntaxwarning-for-is-literal/

While it is just a warning, it is very visible when running ansible on
focal for example, to the point of making the output incredibly hard to
follow. Furthermore, the indifference between identity and equality
might be creating true bugs as discussed in above blog entry. It seems
advisable to fix this incorrect code when found.

>From the terminal when installing python3-mpmath:
Setting up python3-mpmath (1.1.0-2) ...
/usr/lib/python3/dist-packages/mpmath/ctx_mp_python.py:892: SyntaxWarning: "is" 
with a literal. Did you mean "=="?
  if other is 0:
/usr/lib/python3/dist-packages/mpmath/ctx_mp_python.py:986: SyntaxWarning: "is" 
with a literal. Did you mean "=="?
  if other is 0:

This was fixed upstream in version 1.2.0 and thus does not affect
hirsute and later.

** Affects: mpmath (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: focal

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https://bugs.launchpad.net/bugs/1932140

Title:
  code confuses identity and equality

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