Ruff fails to detect duplicate type parameter names #11119
Description
This is a SyntaxError:
>>> type X[T, T] = int
File "<stdin>-0", line 1
SyntaxError: duplicate type parameter 'T'
But Ruff is fine with it. Similar to #11118.
{{ message }}
This is a SyntaxError:
>>> type X[T, T] = int
File "<stdin>-0", line 1
SyntaxError: duplicate type parameter 'T'
But Ruff is fine with it. Similar to #11118.