def _is_axial_coil(coil):
 is_ax = (coil['coil_class'] in (FIFF.FWD_COILC_MAG, FIFF.FWD_COILC_AXIAL_GRAD, FIFF.FWD_COILC_AXIAL_GRAD2))
 return is_ax

def _is_axial_coil ( coil ) : is_ax = ( coil [ 'coil_class' ] in ( FIFF . FWD_COILC_MAG , FIFF . FWD_COILC_AXIAL_GRAD , FIFF . FWD_COILC_AXIAL_GRAD2 ) ) return is_ax
determine if the coil is axial .