Hi, did you found a solution?
italojs
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try to edit the rospkg/os_detect.py file, the file path will be in the error output
edit the line 363
from :
python
def _osx_codename(major, minor):
if major != 10 or minor not in _osx_codename_map:
raise OsNotDetected("unrecognized version: %s.%s" % (major, minor))
return _osx_codename_map[minor]
to
python
def _osx_codename(major, minor):
return 'big sur'