Fix issue in GaudiPython atexit handler with Python 3

the change in !875 (diffs) is actually introducing a regression when using Python 3 instead of Python 2.

This change fixes the problem and resolves lhcb/LHCb!2214 (comment 3642987)

I also added a minor fix for a special case.

changed milestone to %v34r0

added lhcb-gaudi-head label

mentioned in merge request lhcb/LHCb!2214 (merged)

added 1 commit

• b8751960 - Fix issue in GaudiPython atexit handler with Python 3

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LGTM

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• 4b1a780b - Fix import of options from .qmt in Python 3

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changed the description

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• d602b9b2 - Fix import of options from .qmt in Python 3

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added 1 commit

• 0c5a603d - Fixed formatting

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See LHCBPS-1858

• [2020-07-22 00:09] Validation started with lhcb-gaudi-head#2673
• [2020-07-22 00:15] Validation started with lhcb-gaudi-head-py3#423
• [2020-07-22 08:41] Validation started with lhcb-gaudi-head-py3#424

merged

mentioned in commit c29e23ad