py-spyder-devel: Crashes on start

[mf2k (Frank Schima)]

Very recently, py36-spyder-devel crashes when I attempt to run it.

$ spyder-3.6 
Cannot mix incompatible Qt library (version 0x50902) with this library (version 0x50a00)
Abort trap: 6

[chrstphrchvz (Christopher Chavez)]

Based on that error message alone, I'm wondering if its just that the affected machine has both qt5 @5.9.2 and @5.10.0 ports active, whereas only one particular version should be active at a time. I would check port echo active | grep 'qt5.* @5.9.2' and port echo active | grep 'qt5.* @5.10.0'—maybe only one of the two should be printing anything.

I think any qt5 ports needed by py36-spyder-devel should be able to update to @5.10.1 now (it didn't install any from version @5.10.0 or earlier on my system). But maybe this indicates that qt5 ports should better enforce letting only one version be active at a time; that is, other ports might also be affected by this issue.

[chrstphrchvz (Christopher Chavez)]

A similar error is described in #56209

[eborisch (Eric A. Borisch)]

Can you post the output of DYLD_PRINT_LIBRARIES=1 spyder as well as port echo active. (Or add them as attachments.)

[chrstphrchvz (Christopher Chavez)]

For comparison, I'll attach my system's output I get for DYLD_PRINT_LIBRARIES=1 spyder-3.6 (just for opening and closing spyder; no "Cannot mix incompatible Qt library…" error occurs) and port echo active.

[chrstphrchvz (Christopher Chavez)]

DYLD_PRINT_LIBRARIES=1 spyder-3.6 output for working system

[chrstphrchvz (Christopher Chavez)]

port echo active output for working system

[mf2k (Frank Schima)]

I no longer have this problem. Some update probably fixed it.