replace xarray ufunc by numpy ufunc

src/toolbox_scs/detectors/xgm.py

@@ -146,7 +146,7 @@ def align_xgm_array(xgm_arr, bpt):
         compute_sa3 = True
         mask_sa1 = is_sase_1(bpt.sel(trainId=valid_tid))
         mask_sa3 = is_sase_3(bpt.sel(trainId=valid_tid))
-        mask = xr.ufuncs.logical_or(mask_sa1, mask_sa3)
+        mask = np.logical_or(mask_sa1, mask_sa3)
         tid = mask.where(mask.sum(dim='pulse_slot') > 0,
                          drop=True).trainId
         mask_sa1 = mask_sa1.sel(trainId=tid).rename({'pulse_slot': 'sa1_pId'})