>>> help(r)

 |      __builtin__.object
 |
 |  Methods defined here:
 |
 |  __init__(self, exception=None, backend=None)
 |
 |  __repr__(self)
 |
 |  set_status(self, command, code, text, **kwargs)
 |
 |  ----------------------------------------------------------------------
 |  Data descriptors defined here:
 |
 |  success
 |
 |  ----------------------------------------------------------------------
 |  Methods inherited from Response:
 |
 |  raise_if_needed(self)
 |
 |  set_exception(self, exc)
 |
 |  ----------------------------------------------------------------------
 |  Data descriptors inherited from Response:
 |
 |  __dict__
 |      dictionary for instance variables (if defined)
 |
 |  __weakref__
 |      list of weak references to the object (if defined)
 |
 |  error