rules:
- id: useless-assignment-keyed
  message: key `$Y` in `$X` is assigned twice; the first assignment is useless
  languages: [python]
  severity: WARNING
  pattern-either:
  - pattern: |
      $X[$Y] = ...
      $X[$Y] = ...
  - pattern: |
      $X[$Y][$Z] = ...
      $X[$Y][$Z] = ...
  metadata:
    category: maintainability
    technology:
    - python