Fix style issues

Author: bsipocz

astroquery/ipac/irsa/core.py

@@ -159,7 +159,7 @@ def query_ssa(self, *, pos=None, radius=None, band=None, time=None, collection=N
             diameter = None
         else:
             diameter = 2 * radius
-            
+
         return self.ssa.search(pos=pos, diameter=diameter, band=band, time=time,
                                format='all', collection=collection)
 

astroquery/ipac/irsa/tests/test_irsa_remote.py

@@ -2,7 +2,7 @@
 
 import pytest
 import astropy.units as u
-from astropy.table import Table, unique
+from astropy.table import Table
 from astropy.coordinates import SkyCoord
 from astropy.utils.exceptions import AstropyDeprecationWarning