repository: monkey patch pyro connection handling to detect clients going away
When a pyro client goes away we need to close their session (to release their
cnxset). Add a dict to the repository mapping pyro client threads to session
object.
Closes #2932058
from os.path import join
assert __file__.endswith(join('scripts', 'script2.py')), __file__
assert '__main__' == __name__, __name__
assert ['-v'] == __args__, __args__