Pull request #765: CAS-13568 - plotbandpass fails when caltable contains totally flagged spw on the final antenna
Merge in CASA/casa6 from CAS-13568 to master
* commit '0f18b945256c97fadf8f2c91d2e9c5ec8fab5d7e':
remove debugging statements + adjust sloppyUnique(...) test with 'test_task_plotms.py' + check if 'adesc' is defined before setting attributes [CAS-13568]
add debug output for sloppyUnique(...) [CAS-13568]
sync sloppyUnique(...) to "plotbandpass3.py" [CAS-13568]
resolve problems with integration of changes from analysis_scripts/plotbandpass3.py v2.3 [CAS-13568]
missed forwarding of debug variable [CAS-13568]
incorporate fixes from analysisUtils version 2.3 [CAS-13568]
remove debugging statements + adjust sloppyUnique(...) test with 'test_task_plotms.py' + check if 'adesc' is defined before setting attributes [CAS-13568]
