PEP 544: Fix error in "Type[] and class objects vs protocols" section

[rodrigodesalvobraz]

a: ProtoA = C  # Type check error, signatures don't match!
b: ProtoB = C  # OK

should be

a: Type[ProtoA] = C  # Type check error, signatures don't match!
b: Type[ProtoB] = C  # OK

because C is a candidate subtype of ProtoA and a subtype of ProtoB

• Change is either:
  • To a Draft PEP
  • To an Accepted or Final PEP, with Steering Council approval
  • To fix an editorial issue (markup, typo, link, header, etc)
• PR title prefixed with PEP number (e.g. PEP 123: Summary of changes)

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[JelleZijlstra]

This example is correct; see #2332 for the most thorough discussion.