$ cargo run -p ruff  -- check --select B033 - << 'EOF'
{
  1,
  # comment
  1
}
EOF

B033 [*] Sets should not contain duplicate item `1`
 --> -:4:3
  |
2 |   1,
3 |   # comment
4 |   1
  |   ^
5 | }
  |
help: Remove duplicate item

Found 1 error.
[*] 1 fixable with the `--fix` option.

B033 Sets should not contain duplicate item `1`
 --> -:4:3
  |
2 |   1,
3 |   # comment
4 |   1
  |   ^
5 | }
  |
help: Remove duplicate item

Found 1 error.
No fixes available (1 hidden fix can be enabled with the `--unsafe-fixes` option).