Replace is with == for literal or new object comparisons

[pixeebot]

The is and is not operators only evaluate to True when the expressions on each side have the same id. In other words, a is b is equivalent to id(a) == id(b). With few exceptions, objects and literals have unique identities and thus shouldn't generally be compared by using the is or is not operators.

Our changes look something like this:

def foo(l):
-    return l is [1,2,3]
+    return l == [1,2,3]

More reading

• https://docs.python.org/3/library/stdtypes.html#comparisons

I have additional improvements ready for this repo! If you want to see them, leave the comment:

@pixeebot next

... and I will open a new PR right away!

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Feedback | Community | Docs | Codemod ID: pixee:python/literal-or-new-object-identity

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[pixeebot]

I'm confident in this change, but I'm not a maintainer of this project. Do you see any reason not to merge it?

If this change was not helpful, or you have suggestions for improvements, please let me know!

[pixeebot]

Just a friendly ping to remind you about this change. If there are concerns about it, we'd love to hear about them!

[pixeebot]

This change may not be a priority right now, so I'll close it. If there was something I could have done better, please let me know!

You can also customize me to make sure I'm working with you in the way you want.