Delete import

Author: Muzychenko Inna

src/astroviper/utils/direction_frame_conversion.py

@@ -1,12 +1,10 @@
 from astropy.coordinates import SkyCoord, EarthLocation, AltAz
-from astropy.coordinates.erfa_astrom import erfa_astrom, ErfaAstrom, ErfaAstromInterpolator
+from astropy.coordinates.erfa_astrom import erfa_astrom, ErfaAstrom,ErfaAstromInterpolator
 from astropy.time import Time
 import astropy.units as u
 
 import numpy as np
 
-import xarray
-
 _SUPPORTED = ("ICRS", "ALTAZ")