An error was encountered:
Traceback (most recent call last):
  File "pqm/bin/pqm", line 215, in do_read_mode
    sigid,siguid = verify_sig(sender, msg, sig, 1, logger)
  File "/home/pqm/pqm/pqm/__init__.py", line 309, in verify_sig
    raise PQMException(sender, "Failed to verify signature: %s" % e._value)
PQMException: 'Failed to verify signature: gpgv exited with error code 2'