[MacPorts] #44308: py-SRPAstro: switch PIL/Pillow dependency to py-matplotlib and py-scipy.

[MacPorts]

#44308: py-SRPAstro: switch PIL/Pillow dependency to py-matplotlib and py-scipy.
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 Reporter:  ionic@…   |      Owner:  macports-tickets@…
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:  haspatch  |       Port:  py-SRPAstro py-matplotlib py-scipy
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 `py-SRPAstro` has a (formal) dependency on `PIL`, although it doesn't use
 `PIL` in its code.

 However, `PIL` is needed by both `py-matplotlib` and `py-scipy` --
 dependencies of `py-SRPAstro` -- which currently, wrongly do not declare
 it as a dependency.

 The author has confirmed in private mail, that not his software (`py-
 SRPAstro`) is requiring/using `PIL`, but indeed the other two ports.

 Thus, switch over the `PIL`/`Pillow` dependency (in its `path:`-based form
 as suggested/worked on in #44285) from `py-SRPAstro` to `py-matplotlib`
 and `py-scipy`.

-- 
Ticket URL: <https://trac.macports.org/ticket/44308>
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