[Bug]: Suggests to replace len(text) with text in `if len(text) % 2`

[tiagocoutinho]

Has your issue already been fixed?

• [x] Have you checked to see if your issue still exists on the master branch? See the docs for instructions on how to setup a local build of Refurb.
• [x] Have you looked at the open/closed issues to see if anyone has already reported your issue?

The Bug

The following code:

def f(text):
    if len(text) % 2:
        return 1
    return 0

Emits the following suggestion:

$ refurb file.py
file.py:2:7 [FURB115]: Replace `len(text)` with `text`

but it shouldn't because the resulting code would raise TypeError

Version Info

Refurb: v1.25.0
Mypy: v1.7.1

Python Version

Python 3.10.13

Config File

# N/A

Extra Info

None

[dosisod]

Thank you @tiagocoutinho for opening this!