def _call(self, x):
        """``self(x)``."""
        with self.mutex:
            result = sheardec2D(x, self.shearlet_system)
            return np.moveaxis(result, -1, 0)
def _call ( self , x ) : with self . mutex : result = sheardec2D ( x , self . shearlet_system ) return np . moveaxis ( result , - 1 , 0 )
``self(x)``.