def axis_conversion_ensure(operator, forward_attr, up_attr):
"""
Function to ensure an operator has valid axis conversion settings, intended
- to be used from :class:`Operator.check`.
+ to be used from :class:`bpy.types.Operator.check`.
:arg operator: the operator to access axis attributes from.
- :type operator: :class:`Operator`
+ :type operator: :class:`bpy.types.Operator`
:arg forward_attr: attribute storing the forward axis
:type forward_attr: string
:arg up_attr: attribute storing the up axis