code: def delete_namespace(self, name, ignore_errors=False):
          
          if self.has_namespace(name):
              del self.namespaces[name]
              return True
          elif ignore_errors:
              return True
          else:
              raise RuntimeError("namespace '%s' does not exist" % name)
docs: deletes a namespace
  
          args:
              name: the name of the namespace
              ignore_errors(bool): Will ignore if a namespace doesn not exist or
                      there is an error deleting the namespace
  
          returns:
              True if deleted
              False if not deleted
              error if namespace already exists