rules:
- id: flask-duplicate-handler-name
  pattern: |
    @app.route("...", ...)
    def $R(...):
        ...
    ...
    @app.route("...", ...)
    def $R(...):
        ...
  message: Looks like `$R` is a flask function handler that registered to two different routes. This will cause a runtime
    error
  languages: [python]
  severity: WARNING
  metadata:
    category: correctness
    technology:
    - flask