def update_pipeline(self):
        """Override this method so that it *updates* the tvtk pipeline
        when data upstream is known to have changed.

        This method is invoked (automatically) when any of the inputs
        sends a `pipeline_changed` event.
        """
        mm = self.module_manager
        if mm != None:
            return
        self.glyph.inputs = [mm.source]
        self.pipeline_changed = True
dataset/ETHPy150Open enthought/mayavi/mayavi/modules/tensor_glyph.py/TensorGlyph.update_pipeline/operator `is` -> `!=`