Remove broad-except pylint directive
Remove broad-except pylint directive

The block of code distinguishes among enough categories of exceptions
that pylint doesn't feel the need to complain.

Signed-off-by: mulhern <7b51bcf507bcd7afb72bf8663752c0ddbeb517f6@redhat.com>

stratis-storage/stratis-cli,stratis-storage/stratis-cli