Merge pull request #497 in CASA/casa6 from CAS-13385 to master
* commit '0da1e542d9f56d9892a2f0ad7381290d86c7bf22': CAS-13385: remove additional DeprecationWarning in task_plotbandpass CAS-13385 remove RuntimeWarning in task_plotbandpass CAS-13385 remove VisibleDeprecationWarning in task_plotbandpass