check-yaml: `.nan` is not a finite number

[Timple]

Before submitting

• I have searched the issue list for similar bug reports.

Summary

.nan assignment is reported as invalid yaml

check yaml...............................................................Failed
- hook id: check-yaml
- description: checks yaml files for parseable syntax
- exit code: 1

  myfile.yaml: Failed to yaml decode (error: line 40 column 24: value `.nan` is not a finite number
    --> <input>:40:24
     |
  38 |     linear.x.max_velocity: 1.25 # unit: m/s
  39 |     linear.x.max_acceleration: 1.5
  40 |     linear.x.max_jerk: .nan
     |                        ^ value `.nan` is not a finite number

pre-commit tool works with same config file.

Platform

Linux 6.8.0-136-generic x86_64 GNU/Linux

Version (current: 0.4.13)

prek 0.4.13

.pre-commit-config.yaml

  - repo: https://github.com/pre-commit/pre-commit-hooks
    rev: v6.0.0
    hooks:
      - id: check-yaml

Log file

Let me know if required, I need to make a minimal reproducer.

[j178]

Thanks for the report!