Merge pull request #14497 from tchaikov/wip-pybind-better-error-msg

pybind: better error msg

Reviewed-by: Josh Durgin <jdurgin@redhat.com>

diff --cc src/pybind/rados/rados.pyx
index 983ea460efbe9e2b8753f6be412978a203899246,6c657317d4f0f422c2a8caf9b0b67c70f828a45d..02c1f82d798076cb8bbe7b14d112fc30978d0097
--- 1/src/pybind/rados/rados.pyx
--- 2/src/pybind/rados/rados.pyx
+++ b/src/pybind/rados/rados.pyx
@@@ -297,11 -295,13 +295,13 @@@ LIBRADOS_CREATE_IDEMPOTENT = _LIBRADOS_
  ANONYMOUS_AUID = 0xffffffffffffffff
  ADMIN_AUID = 0
  
+ 
  class Error(Exception):
      """ `Error` class, derived from `Exception` """
+     pass
  
  
 -class InvalidArgument(Error):
 +class InvalidArgumentError(Error):
      pass