ruff  *.py --select B008 --no-cache --fix --preview

class Color:
    BOLD      = '\038[1m'

error: Panicked while linting /home/rafal/test/tmp_folder/F_NAME_12939160140977752549.py: This indicates a bug in Ruff. If you could open an issue at:

    https://github.com/astral-sh/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 crates/ruff_python_parser/src/string.rs:129:55:
called `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }
Backtrace:    0: ruff_cli::panic::catch_unwind::{{closure}}
             at /home/rafal/test/ruff/crates/ruff_cli/src/panic.rs:31:25
   1: <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/alloc/src/boxed.rs:2021:9
   2: std::panicking::rust_panic_with_hook
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/std/src/panicking.rs:711:13
   3: std::panicking::begin_panic_handler::{{closure}}
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/std/src/panicking.rs:599:13
   4: std::sys_common::backtrace::__rust_end_short_backtrace
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/std/src/sys_common/backtrace.rs:170:18
   5: rust_begin_unwind
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/std/src/panicking.rs:595:5
   6: core::panicking::panic_fmt
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/core/src/panicking.rs:67:14
   7: core::result::unwrap_failed
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/core/src/result.rs:1652:5
   8: core::result::Result<T,E>::unwrap
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/core/src/result.rs:1077:23
   9: ruff_python_parser::string::StringParser::parse_octet
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/string.rs:129:21
  10: ruff_python_parser::string::StringParser::parse_escaped_char
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/string.rs:174:30
  11: ruff_python_parser::string::StringParser::parse_string
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/string.rs:301:17
  12: ruff_python_parser::string::StringParser::parse
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/string.rs:316:13
  13: ruff_python_parser::string::parse_string_literal
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/string.rs:334:5
  14: ruff_python_parser::python::__action214
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/python.rs:36217:12
  15: ruff_python_parser::python::__action934
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/python.rs:52579:5
  16: ruff_python_parser::python::__parse__Top::__reduce
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/python.rs:17867:34
  17: <ruff_python_parser::python::__parse__Top::__StateMachine as lalrpop_util::state_machine::ParserDefinition>::reduce
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/python.rs:5955:13
  18: lalrpop_util::state_machine::Parser<D,I>::reduce
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/lalrpop-util-0.20.0/src/state_machine.rs:594:9
  19: lalrpop_util::state_machine::Parser<D,I>::parse
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/lalrpop-util-0.20.0/src/state_machine.rs:264:43
  20: lalrpop_util::state_machine::Parser<D,I>::drive
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/lalrpop-util-0.20.0/src/state_machine.rs:218:9
  21: ruff_python_parser::python::__parse__Top::TopParser::parse
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/python.rs:11857:13
  22: ruff_python_parser::parser::parse_filtered_tokens
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/parser.rs:258:5
  23: ruff_python_parser::parser::parse_tokens
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/parser.rs:223:5
  24: ruff_python_parser::parse_program_tokens
             at /home/rafal/test/ruff/crates/ruff_python_parser/src/lib.rs:158:11
  25: ruff_linter::linter::check_path
             at /home/rafal/test/ruff/crates/ruff_linter/src/linter.rs:145:15
  26: ruff_linter::linter::lint_fix
             at /home/rafal/test/ruff/crates/ruff_linter/src/linter.rs:494:22
  27: ruff_cli::diagnostics::lint_path
             at /home/rafal/test/ruff/crates/ruff_cli/src/diagnostics.rs:272:14
  28: ruff_cli::commands::check::lint_path::{{closure}}
             at /home/rafal/test/ruff/crates/ruff_cli/src/commands/check.rs:197:9
  29: std::panicking::try::do_call
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/std/src/panicking.rs:502:40
  30: std::panicking::try
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/std/src/panicking.rs:466:19
  31: std::panic::catch_unwind
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/std/src/panic.rs:142:14
  32: ruff_cli::panic::catch_unwind
             at /home/rafal/test/ruff/crates/ruff_cli/src/panic.rs:40:18
  33: ruff_cli::commands::check::lint_path
             at /home/rafal/test/ruff/crates/ruff_cli/src/commands/check.rs:196:18
  34: ruff_cli::commands::check::check::{{closure}}
             at /home/rafal/test/ruff/crates/ruff_cli/src/commands/check.rs:98:17
  35: <rayon::iter::filter_map::FilterMapFolder<C,P> as rayon::iter::plumbing::Folder<T>>::consume
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/iter/filter_map.rs:123:36
  36: rayon::iter::plumbing::Folder::consume_iter
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/iter/plumbing/mod.rs:179:20
  37: rayon::iter::plumbing::Producer::fold_with
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/iter/plumbing/mod.rs:110:9
  38: rayon::iter::plumbing::bridge_producer_consumer::helper
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/iter/plumbing/mod.rs:438:13
  39: rayon::iter::plumbing::bridge_producer_consumer
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/iter/plumbing/mod.rs:397:12
  40: <rayon::iter::plumbing::bridge::Callback<C> as rayon::iter::plumbing::ProducerCallback<I>>::callback
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/iter/plumbing/mod.rs:373:13
  41: <rayon::slice::Iter<T> as rayon::iter::IndexedParallelIterator>::with_producer
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/slice/mod.rs:732:9
  42: rayon::iter::plumbing::bridge
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/iter/plumbing/mod.rs:357:12
  43: <rayon::slice::Iter<T> as rayon::iter::ParallelIterator>::drive_unindexed
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/slice/mod.rs:708:9
  44: <rayon::iter::filter_map::FilterMap<I,P> as rayon::iter::ParallelIterator>::drive_unindexed
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/iter/filter_map.rs:46:9
  45: <rayon::iter::fold::Fold<I,ID,F> as rayon::iter::ParallelIterator>::drive_unindexed
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/iter/fold.rs:59:9
  46: rayon::iter::reduce::reduce
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/iter/reduce.rs:15:5
  47: rayon::iter::ParallelIterator::reduce
             at /home/rafal/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rayon-1.8.0/src/iter/mod.rs:991:9
  48: ruff_cli::commands::check::check
             at /home/rafal/test/ruff/crates/ruff_cli/src/commands/check.rs:169:10
  49: ruff_cli::check
             at /home/rafal/test/ruff/crates/ruff_cli/src/lib.rs:397:13
  50: ruff_cli::run
             at /home/rafal/test/ruff/crates/ruff_cli/src/lib.rs:188:33
  51: ruff::main
             at /home/rafal/test/ruff/crates/ruff_cli/src/bin/ruff.rs:49:11
  52: core::ops::function::FnOnce::call_once
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/core/src/ops/function.rs:250:5
  53: std::sys_common::backtrace::__rust_begin_short_backtrace
             at /rustc/cc66ad468955717ab92600c770da8c1601a4ff33/library/std/src/sys_common/backtrace.rs:154:18
  54: main
  55: __libc_start_call_main
             at ./csu/../sysdeps/nptl/libc_start_call_main.h:58:16
  56: __libc_start_main_impl
             at ./csu/../csu/libc-start.c:360:3
  57: _start