Typo in statistical_ensemble_test/single_run.py

[lukasbrunner]

Brief summary of bug

There seems to by a typo in statistical_ensemble_test/single_run.py:

https://github.com/ESCOMP/CESM/blob/7d3d630b8333db89fa6b22cb91599d914857ecd2/tools/statistical_ensemble_test/single_run.py#L384

This should be text. imho

General bug information

CESM version you are using: [Output of git describe]

Machine you are using: [Fill this in]

Have you modified the code? (If so, please point us to you changes.): [Yes / No]

Details of bug

This is my first bug report for CESM so be patient with me please. I hope I provided all the required information since this seems to be quite straight forward otherwise please let me know.

[lukasbrunner]

There is a second misplaced character here https://github.com/ESCOMP/CESM/blob/7d3d630b8333db89fa6b22cb91599d914857ecd2/tools/statistical_ensemble_test/single_run.py#L375

The sinlge ' before \nn_tavg... does not belong there and breaks the case with

ERROR: Command /home/fs71386/lbrunner/cesm2/components/pop/bld/build-namelist failed rc=255
out=
err=ERROR(Build::Namelist::_parse_next): expect a variable instead got: '