this seems to still be true in 1.15+4422+110
it may be that pyrex is not a build dependency and it's proceeding without it, ie this is a knockon effect of bug 385453, though not strictly speaking a dupe of it
this seems to still be true in 1.15+4422+110
it may be that pyrex is not a build dependency and it's proceeding without it, ie this is a knockon effect of bug 385453, though not strictly speaking a dupe of it