Remove degree units check

arpes/endstations/plugin/nexus.py

@@ -4,7 +4,7 @@
 import h5py
 import numpy as np
 import xarray as xr
-from pint import DimensionalityError, Quantity
+from pint import Quantity
 
 from arpes.config import ureg
 from arpes.endstations import SingleFileEndstation, add_endstation
@@ -30,10 +30,6 @@
 }
 
 
-class IncompatibleUnitsError(Exception):
-    pass
-
-
 class NeXusEndstation(SingleFileEndstation):
     """An endstation for reading arpes data from a nexus file."""
 
@@ -135,15 +131,9 @@ def load_nx_data(nxdata: h5py.Group, attributes: dict) -> xr.DataArray:
 
             coords = {}
             for axis, new_axis in zip(axes, new_axes):
-                if "units" not in nxdata[axis].attrs:
-                    raise IncompatibleUnitsError(f"Axis {axis} does not have units.")
                 coords[new_axis] = nxdata[axis][:] * ureg(nxdata[axis].attrs["units"])
-                try:
+                if coords[new_axis].units == "degree":
                     coords[new_axis] = coords[new_axis].to(ureg.rad)
-                except DimensionalityError as exc:
-                    raise IncompatibleUnitsError(
-                        f"Unit {coords[new_axis].units} of axis {axis} is not a unit of angle."
-                    ) from exc
             data = nxdata[nxdata.attrs["signal"]][:]
             dims = new_axes