f-string-without-interpolation false positive with t-strings when using format spec #10702
Description
Bug description
When passing any format specs to t-strings, an f-string-without-interpolation warning will be filed.
Consider the following snippet:
def f():
pi = 3.14
return t"{pi:.1f}"
The template string line will be flagged by lint as having the f-string-without-interpolation issue.Configuration
Command used
python -m pylint test.pyPylint output
************* Module test
test.py:1:0: C0114: Missing module docstring (missing-module-docstring)
test.py:1:0: C0116: Missing function or method docstring (missing-function-docstring)
test.py:3:16: W1309: Using an f-string that does not have any interpolated variables (f-string-without-interpolation)Expected behavior
Expected behavior is for no linting error to be raised on format spec provided with template string.
Pylint version
pylint 4.0.2
astroid 4.0.1
Python 3.14.0 (main, Oct 19 2025, 09:04:15) [GCC 13.3.0]OS / Environment
WSL 2: Ubuntu 24.04.1 LTS