540             except OSError as inst:

   540             except OSError as inst:

   541                 if inst.errno != errno.ENOENT:

   541                 if inst.errno != errno.ENOENT:

   542                     raise

   542                     raise

   543                 # just build an empty _all list if no obsstore exists, which

   543                 # just build an empty _all list if no obsstore exists, which

   544                 # avoids further stat() syscalls

   544                 # avoids further stat() syscalls

   546         return bool(self._all)

   545         return bool(self._all)

   547 

   546 

   548     __bool__ = __nonzero__

   547     __bool__ = __nonzero__

   549 

   548 

   550     @property

   549     @property