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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def inheritance_patch(attrs):
 """Patch tango objects before they are processed by the metaclass."""

    for key, obj in attrs.items():
        if isinstance(obj, attribute):
            if getattr(obj, 'attr_write', None) == AttrWriteType.READ_WRITE:
                if not getattr(obj, 'fset', None):
                    method_name = obj.write_method_name or "write_" + key
                    obj.fset = attrs.get(method_name)