Static error XS0054 and XS0036

5.10 (p:import) says:
It is a static error (err:XS0054) to import more than one pipeline with
the same type (either directly or within a library).

3.2 (Scoping of names):
All the step types in a pipeline must have unique names: it is a static
error (err:XS0036) if any step type name is built-in and/or declared or
defined more than once in the same scope.

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Do we really need XS0054? It seems to me that the case is covered by
XS0036.

Regards
Vojtech