For me bpytop won't launch at all without the 'mount-observe' plug. All other plugs seem to be optional. Error is as follows:
07/08/20 (16:37:30) | ERROR: Data collection thread failed with exception: [Errno 13] Permission denied: '/proc/partitions'
Traceback (most recent call last):
File "/snap/bpytop/58/usr/bin/bpytop", line 2319, in _runner
collector._collect()
File "/snap/bpytop/58/usr/bin/bpytop", line 2602, in _collect
io_counters = psutil.disk_io_counters(perdisk=True if SYSTEM == "Linux" else False, nowrap=True)
File "/snap/bpytop/58/usr/lib/python3/dist-packages/psutil/__init__.py", line 2014, in disk_io_counters
rawdict = _psplatform.disk_io_counters()
File "/snap/bpytop/58/usr/lib/python3/dist-packages/psutil/_pslinux.py", line 1040, in disk_io_counters
partitions = get_partitions()
File "/snap/bpytop/58/usr/lib/python3/dist-packages/psutil/_pslinux.py", line 1022, in get_partitions
with open_text("%s/partitions" % get_procfs_path()) as f:
File "/snap/bpytop/58/usr/lib/python3/dist-packages/psutil/_pslinux.py", line 201, in open_text
return open(fname, "rt", **kwargs)
PermissionError: [Errno 13] Permission denied: '/proc/partitions'
07/08/20 (16:37:30) | WARNING: Exiting with errorcode (1). Runtime 0:00:03