plotBursts.py invalid latitude

Motivated by https://github.com/isce-framework/isce2/issues/152 I am running plotBursts.py -i reference/ -f foo.pdf -k foo.kml for the first time in a folder prepared from stackSentinel.py.
It yields
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2021-05-03 11:04:40,043 - matplotlib - DEBUG - (private) matplotlib data path: /home/russell/anaconda3/envs/insar/lib/python3.6/site-packages/matplotlib/mpl-data
2021-05-03 11:04:40,044 - matplotlib - DEBUG - matplotlib data path: /home/russell/anaconda3/envs/insar/lib/python3.6/site-packages/matplotlib/mpl-data
2021-05-03 11:04:40,050 - matplotlib - DEBUG - CONFIGDIR=/home/russell/.config/matplotlib
2021-05-03 11:04:40,053 - matplotlib - DEBUG - matplotlib version 3.3.3
2021-05-03 11:04:40,070 - matplotlib - DEBUG - interactive is False
2021-05-03 11:04:40,071 - matplotlib - DEBUG - platform is linux
2021-05-03 11:04:40,072 - matplotlib - DEBUG - loaded modules: ['builtins', 'sys', '_frozen_importlib', '_imp', '_warnings', '_thread', '_weakref', '_frozen_importlib_external', '_io', 'marshal', 'posix', 'zipimport', 'encodings', 'codecs', '_codecs', 'encodings.aliases', 'encodings.utf_8', '_signal', '__main__', 'encodings.latin_1', 'io', 'abc', '_weakrefset', 'site', 'os', 'errno', 'stat', '_stat', 'posixpath', 'genericpath', 'os.path', '_collections_abc', '_sitebuiltins', 'sysconfig', 'importlib', 'importlib._bootstrap', 'importlib._bootstrap_external', 'types', 'functools', '_functools', 'collections', 'operator', '_operator', 'keyword', 'heapq', '_heapq', 'itertools', 'reprlib', '_collections', 'weakref', 'collections.abc', 'warnings', 'importlib.util', 'importlib.abc', 'importlib.machinery', 'contextlib', '_sysconfigdata_x86_64_conda_cos6_linux_gnu', '_bootlocale', '_locale', 'mpl_toolkits', 'numpy', 'numpy._globals', 'numpy.__config__', 'numpy.version', 'numpy._distributor_init', 'numpy.core', 'numpy.core.multiarray', 'numpy.core.overrides', 'textwrap', 're', 'enum', 'sre_compile', '_sre', 'sre_parse', 'sre_constants', 'copyreg', 'datetime', 'time', 'math', '_datetime', 'numpy.core._multiarray_umath', 'numpy.compat', 'numpy.compat._inspect', 'numpy.compat.py3k', 'pathlib', 'fnmatch', 'ntpath', 'urllib', 'urllib.parse', 'pickle', 'struct', '_struct', '_compat_pickle', '_pickle', 'numpy.core.umath', 'numpy.core.numerictypes', 'numbers', 'numpy.core._string_helpers', 'numpy.core._type_aliases', 'numpy.core._dtype', 'numpy.core.numeric', 'numpy.core.shape_base', 'numpy.core._asarray', 'numpy.core.fromnumeric', 'numpy.core._methods', 'numpy.core._exceptions', 'numpy.core._ufunc_config', 'numpy.core.arrayprint', 'numpy.core.defchararray', 'numpy.core.records', 'numpy.core.memmap', 'numpy.core.function_base', 'numpy.core.machar', 'numpy.core.getlimits', 'numpy.core.einsumfunc', 'numpy.core._add_newdocs', 'numpy.core._multiarray_tests', 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'iscesys.Component.Configurable', 'iscesys.DictUtils', 'iscesys.DictUtils.DictUtils', 'iscesys.Compatibility', 'iscesys.Compatibility.Compatibility', 'iscesys.Traits', 'iscesys.Traits.Datetime', 'iscesys.StdOEL', 'iscesys.StdOEL.StdOELPy', 'iscesys.StdOEL.StdOEL', 'isceobj.Sensor', 'isceobj.Sensor.TOPS', 'isceobj.Sensor.TOPS.TOPSSwathSLCProduct', 'glob', 'matplotlib', 'distutils', 'distutils.version', 'inspect', 'dis', 'opcode', '_opcode', 'matplotlib.cbook', 'gzip', 'shlex', 'matplotlib.cbook.deprecation', 'matplotlib.rcsetup', 'matplotlib.animation', 'uuid', 'ctypes.util', 'matplotlib._animation_data', 'matplotlib.fontconfig_pattern', 'pyparsing', 'matplotlib.colors', 'matplotlib.docstring', 'matplotlib._color_data', 'cycler', 'six', 'six.moves', 'matplotlib._version', 'json', 'json.decoder', 'json.scanner', '_json', 'json.encoder', 'matplotlib.ft2font', 'dateutil', 'dateutil._version', 'kiwisolver']
2021-05-03 11:04:40,164 - matplotlib - DEBUG - CACHEDIR=/home/russell/.cache/matplotlib
2021-05-03 11:04:40,181 - matplotlib.font_manager - DEBUG - Using fontManager instance from /home/russell/.cache/matplotlib/fontlist-v330.json
2021-05-03 11:04:40,549 - matplotlib.pyplot - DEBUG - Loaded backend agg version unknown.
ERROR 1: Latitude 150.837066 is invalid. Valid range is [-90,90]. This warning will not be issued any more
Wrote KML file:  foo.kml
ERROR 1: Latitude 150.837066 is invalid. Valid range is [-90,90]. This warning will not be issued any more is not expected. The 150.83 is longitude where we expect coverage.
plotBursts_reference_secondaries.py is also not working.
I am not sure if this is somehow my problem or a problem with the routines. I would be happy to submit a pull request.
Advice invited.
isce-framework / isce2

plotBursts.py invalid latitude #278
