[Linter panic] None value - My File: doc\data\messages\u\using-f-string-in-unsupported-version\good.py

[FishAlchemist]

This Python code is from Pylint (pylint-dev/pylint@3cca400)

Ruff Version

1b1788c

Command(Powershell)

cargo run -p ruff_cli -- check .\good.py --select=ALL --isolated --no-cache

Terminal Content

    Finished dev [unoptimized + debuginfo] target(s) in 0.58s
     Running `C:\Users\fish\source\ruff\target\debug\ruff.exe check .\good.py --select=ALL --isolated --no-cache`
warning: `one-blank-line-before-class` (D203) and `no-blank-line-before-class` (D211) are incompatible. Ignoring `one-blank-line-before-class`.
warning: `multi-line-summary-first-line` (D212) and `multi-line-summary-second-line` (D213) are incompatible. Ignoring `multi-line-summary-second-line`.
warning: Linting panicked good.py: This indicates a bug in `ruff`. If you could open an issue at:

https://github.com/charliermarsh/ruff/issues/new?title=%5BLinter%20panic%5D

with the relevant file contents, the `pyproject.toml` settings, and the following stack trace, we'd be very appreciative!

panicked at 'called `Option::unwrap()` on a `None` value', crates\ruff\src\rules\pyupgrade\rules\f_strings.rs:270:32
Backtrace:    0: std::backtrace_rs::backtrace::dbghelp::trace
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\..\..\backtrace\src\backtrace\dbghelp.rs:98
   1: std::backtrace_rs::backtrace::trace_unsynchronized
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\..\..\backtrace\src\backtrace\mod.rs:66
   2: std::backtrace::Backtrace::create
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\backtrace.rs:332
   3: std::backtrace::Backtrace::force_capture
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\backtrace.rs:314
   4: ruff_cli::panic::catch_unwind::closure$0<ruff_cli::commands::run::lint_path::closure_env$0,enum2$<core::result::Result<ruff_cli::diagnostics::Diagnostics,anyhow::Error> > >
             at C:\Users\fish\source\ruff\crates\ruff_cli\src\panic.rs:31
   5: alloc::boxed::impl$47::call
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\alloc\src\boxed.rs:2001
   6: std::panicking::rust_panic_with_hook
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\panicking.rs:696
   7: std::panicking::begin_panic_handler::closure$0
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\panicking.rs:581
   8: std::sys_common::backtrace::__rust_end_short_backtrace<std::panicking::begin_panic_handler::closure_env$0,never$>
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\sys_common\backtrace.rs:150
   9: std::panicking::begin_panic_handler
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\panicking.rs:579
  10: core::panicking::panic_fmt
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\core\src\panicking.rs:64
  11: core::panicking::panic
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\core\src\panicking.rs:114
  12: enum2$<core::option::Option<char> >::unwrap<char>
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\library\core\src\option.rs:942
  13: ruff::rules::pyupgrade::rules::f_strings::f_strings
             at C:\Users\fish\source\ruff\crates\ruff\src\rules\pyupgrade\rules\f_strings.rs:270
  14: ruff::checkers::ast::impl$2::visit_expr
             at C:\Users\fish\source\ruff\crates\ruff\src\checkers\ast\mod.rs:2537
  15: ruff_python_ast::visitor::walk_stmt<ruff::checkers::ast::Checker>
             at C:\Users\fish\source\ruff\crates\ruff_python_ast\src\visitor.rs:265
  16: ruff::checkers::ast::impl$2::visit_stmt
             at C:\Users\fish\source\ruff\crates\ruff\src\checkers\ast\mod.rs:2230
  17: ruff::checkers::ast::impl$2::visit_body
             at C:\Users\fish\source\ruff\crates\ruff\src\checkers\ast\mod.rs:4193
  18: ruff::checkers::ast::check_ast
             at C:\Users\fish\source\ruff\crates\ruff\src\checkers\ast\mod.rs:5690
  19: ruff::linter::check_path
             at C:\Users\fish\source\ruff\crates\ruff\src\linter.rs:144
  20: ruff::linter::lint_only
             at C:\Users\fish\source\ruff\crates\ruff\src\linter.rs:346
  21: ruff_cli::diagnostics::lint_path
             at C:\Users\fish\source\ruff\crates\ruff_cli\src\diagnostics.rs:187
  22: ruff_cli::commands::run::lint_path::closure$0
             at C:\Users\fish\source\ruff\crates\ruff_cli\src\commands\run.rs:164
  23: std::panicking::try::do_call<ruff_cli::commands::run::lint_path::closure_env$0,enum2$<core::result::Result<ruff_cli::diagnostics::Diagnostics,anyhow::Error> > >
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\library\std\src\panicking.rs:487
  24: std::panicking::try::do_catch<core::panic::unwind_safe::AssertUnwindSafe<std::thread::local::fast::destroy_value::closure_env$0<core::cell::Cell<enum2$<core::option::Option<ruff_cli::panic::PanicError> > > > >,tuple$<> >
  25: std::panicking::try<enum2$<core::result::Result<ruff_cli::diagnostics::Diagnostics,anyhow::Error> >,ruff_cli::commands::run::lint_path::closure_env$0>
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\library\std\src\panicking.rs:451
  26: std::panic::catch_unwind<ruff_cli::commands::run::lint_path::closure_env$0,enum2$<core::result::Result<ruff_cli::diagnostics::Diagnostics,anyhow::Error> > >
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\library\std\src\panic.rs:140
  27: ruff_cli::panic::catch_unwind<ruff_cli::commands::run::lint_path::closure_env$0,enum2$<core::result::Result<ruff_cli::diagnostics::Diagnostics,anyhow::Error> > >
             at C:\Users\fish\source\ruff\crates\ruff_cli\src\panic.rs:40
  28: ruff_cli::commands::run::lint_path
             at C:\Users\fish\source\ruff\crates\ruff_cli\src\commands\run.rs:163
  29: ruff_cli::commands::run::run::closure$0
             at C:\Users\fish\source\ruff\crates\ruff_cli\src\commands\run.rs:91
  30: core::ops::function::impls::impl$1::call_mut<tuple$<ref$<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > > >,ruff_cli::commands::run::run::closure_env$0>
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\library\core\src\ops\function.rs:274
  31: core::iter::adapters::map::map_fold::closure$0<ref$<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > >,ruff_cli::diagnostics::Diagnostics,ruff_cli::diagnostics::Diagnostics,ref$<ruff_cli::commands::run::run::closure_env$0>,ref$
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\library\core\src\iter\adapters\map.rs:84
  32: core::iter::traits::iterator::Iterator::fold<core::slice::iter::Iter<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > >,ruff_cli::diagnostics::Diagnostics,core::iter::adapters::map::map_fold::closure_env$0<ref$<enum2$<core::res
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\library\core\src\iter\traits\iterator.rs:2477
  33: core::iter::adapters::map::impl$2::fold<ruff_cli::diagnostics::Diagnostics,core::slice::iter::Iter<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > >,ref$<ruff_cli::commands::run::run::closure_env$0>,ruff_cli::diagnostics::Diag
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\library\core\src\iter\adapters\map.rs:124
  34: rayon::iter::reduce::impl$5::consume_iter<ruff_cli::commands::run::run::closure_env$1,ruff_cli::diagnostics::Diagnostics,core::iter::adapters::map::Map<core::slice::iter::Iter<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > >,
             at C:\Users\fish\.cargo\registry\src\github.com-1ecc6299db9ec823\rayon-1.7.0\src\iter\reduce.rs:105
  35: rayon::iter::map::impl$8::consume_iter<ref$<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > >,ruff_cli::diagnostics::Diagnostics,rayon::iter::reduce::ReduceFolder<ruff_cli::commands::run::run::closure_env$1,ruff_cli::diagnosti
             at C:\Users\fish\.cargo\registry\src\github.com-1ecc6299db9ec823\rayon-1.7.0\src\iter\map.rs:248
  36: rayon::iter::plumbing::Producer::fold_with<rayon::slice::IterProducer<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > >,rayon::iter::map::MapFolder<rayon::iter::reduce::ReduceFolder<ruff_cli::commands::run::run::closure_env$1,
             at C:\Users\fish\.cargo\registry\src\github.com-1ecc6299db9ec823\rayon-1.7.0\src\iter\plumbing\mod.rs:110
  37: rayon::iter::plumbing::bridge_producer_consumer::helper<rayon::slice::IterProducer<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > >,rayon::iter::map::MapConsumer<rayon::iter::reduce::ReduceConsumer<ruff_cli::commands::run::ru
             at C:\Users\fish\.cargo\registry\src\github.com-1ecc6299db9ec823\rayon-1.7.0\src\iter\plumbing\mod.rs:438
  38: rayon::iter::plumbing::bridge_producer_consumer<rayon::slice::IterProducer<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > >,rayon::iter::map::MapConsumer<rayon::iter::reduce::ReduceConsumer<ruff_cli::commands::run::run::closu
             at C:\Users\fish\.cargo\registry\src\github.com-1ecc6299db9ec823\rayon-1.7.0\src\iter\plumbing\mod.rs:397
  39: rayon::iter::plumbing::bridge::impl$0::callback<rayon::iter::map::MapConsumer<rayon::iter::reduce::ReduceConsumer<ruff_cli::commands::run::run::closure_env$1,ruff_cli::diagnostics::Diagnostics (*)()>,ruff_cli::commands::run::run::closure_env$0>,ref$<enum2
             at C:\Users\fish\.cargo\registry\src\github.com-1ecc6299db9ec823\rayon-1.7.0\src\iter\plumbing\mod.rs:373
  40: rayon::slice::impl$6::with_producer<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > >,rayon::iter::plumbing::bridge::Callback<rayon::iter::map::MapConsumer<rayon::iter::reduce::ReduceConsumer<ruff_cli::commands::run::run::closur
             at C:\Users\fish\.cargo\registry\src\github.com-1ecc6299db9ec823\rayon-1.7.0\src\slice\mod.rs:732
  41: rayon::iter::plumbing::bridge<rayon::slice::Iter<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > >,rayon::iter::map::MapConsumer<rayon::iter::reduce::ReduceConsumer<ruff_cli::commands::run::run::closure_env$1,ruff_cli::diagnos
             at C:\Users\fish\.cargo\registry\src\github.com-1ecc6299db9ec823\rayon-1.7.0\src\iter\plumbing\mod.rs:357
  42: rayon::slice::impl$5::drive_unindexed<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > >,rayon::iter::map::MapConsumer<rayon::iter::reduce::ReduceConsumer<ruff_cli::commands::run::run::closure_env$1,ruff_cli::diagnostics::Diagnos
             at C:\Users\fish\.cargo\registry\src\github.com-1ecc6299db9ec823\rayon-1.7.0\src\slice\mod.rs:708
  43: rayon::iter::map::impl$2::drive_unindexed<rayon::slice::Iter<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > >,ruff_cli::commands::run::run::closure_env$0,ruff_cli::diagnostics::Diagnostics,rayon::iter::reduce::ReduceConsumer<
             at C:\Users\fish\.cargo\registry\src\github.com-1ecc6299db9ec823\rayon-1.7.0\src\iter\map.rs:49
  44: rayon::iter::reduce::reduce<rayon::iter::map::Map<rayon::slice::Iter<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > >,ruff_cli::commands::run::run::closure_env$0>,ruff_cli::commands::run::run::closure_env$1,ruff_cli::diagnost
             at C:\Users\fish\.cargo\registry\src\github.com-1ecc6299db9ec823\rayon-1.7.0\src\iter\reduce.rs:15
  45: rayon::iter::ParallelIterator::reduce<rayon::iter::map::Map<rayon::slice::Iter<enum2$<core::result::Result<ignore::walk::DirEntry,enum2$<ignore::Error> > > >,ruff_cli::commands::run::run::closure_env$0>,ruff_cli::commands::run::run::closure_env$1,ruff_cli
             at C:\Users\fish\.cargo\registry\src\github.com-1ecc6299db9ec823\rayon-1.7.0\src\iter\mod.rs:991
  46: ruff_cli::commands::run::run
             at C:\Users\fish\source\ruff\crates\ruff_cli\src\commands\run.rs:79
  47: ruff_cli::check
             at C:\Users\fish\source\ruff\crates\ruff_cli\src\lib.rs:251
  48: ruff_cli::run
             at C:\Users\fish\source\ruff\crates\ruff_cli\src\lib.rs:89
  49: ruff::main
             at C:\Users\fish\source\ruff\crates\ruff_cli\src\bin\ruff.rs:48
  50: core::ops::function::FnOnce::call_once<std::process::ExitCode (*)(),tuple$<> >
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\library\core\src\ops\function.rs:250
  51: std::sys_common::backtrace::__rust_begin_short_backtrace<std::process::ExitCode (*)(),std::process::ExitCode>
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\library\std\src\sys_common\backtrace.rs:134
  52: std::rt::lang_start::closure$0<std::process::ExitCode>
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\library\std\src\rt.rs:166
  53: core::ops::function::impls::impl$2::call_once
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\core\src\ops\function.rs:287
  54: std::panicking::try::do_call
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\panicking.rs:487
  55: std::panicking::try
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\panicking.rs:451
  56: std::panic::catch_unwind
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\panic.rs:140
  57: std::rt::lang_start_internal::closure$2
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\rt.rs:148
  58: std::panicking::try::do_call
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\panicking.rs:487
  59: std::panicking::try
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\panicking.rs:451
  60: std::panic::catch_unwind
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\panic.rs:140
  61: std::rt::lang_start_internal
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library\std\src\rt.rs:148
  62: std::rt::lang_start<std::process::ExitCode>
             at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\library\std\src\rt.rs:165
  63: main
  64: invoke_main
             at D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:78
  65: __scrt_common_main_seh
             at D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288
  66: BaseThreadInitThunk
  67: RtlUserThreadStart

Python code

"python {} is past end of life".format(3.5)

(Just one line)
Please change the file extension from txt to py
good.txt

pyproject.toml

Please change the file extension from txt to toml
pyproject.txt

other

This problem also seems to happen with version 0.0.265

warning: `one-blank-line-before-class` (D203) and `no-blank-line-before-class` (D211) are incompatible. Ignoring `one-blank-line-before-class`.
warning: `multi-line-summary-first-line` (D212) and `multi-line-summary-second-line` (D213) are incompatible. Ignoring `multi-line-summary-second-line`.
warning: Linting panicked good.py: This indicates a bug in `ruff`. If you could open an issue at:

https://github.com/charliermarsh/ruff/issues/new?title=%5BLinter%20panic%5D

with the relevant file contents, the `pyproject.toml` settings, and the following stack trace, we'd be very appreciative!

panicked at 'called `Option::unwrap()` on a `None` value', crates\ruff\src\rules\pyupgrade\rules\f_strings.rs:270:32
Backtrace:    0: <unknown>
   1: <unknown>
   2: <unknown>
   3: <unknown>
   4: <unknown>
   5: <unknown>
   6: <unknown>
   7: <unknown>
   8: <unknown>
   9: <unknown>
  10: <unknown>
  11: <unknown>
  12: <unknown>
  13: <unknown>
  14: <unknown>
  15: <unknown>
  16: <unknown>
  17: <unknown>
  18: <unknown>
  19: <unknown>
  20: <unknown>
  21: <unknown>
  22: BaseThreadInitThunk
  23: RtlUserThreadStart