ENH: returning QTable for query_sia and query_ssa

Author: bsipocz

astroquery/ipac/irsa/core.py

@@ -102,10 +102,10 @@ def query_sia(self, *, pos=None, band=None, time=None, pol=None,
 
         Returns
         -------
-        Results in `pyvo.dal.SIAResults` format.
-        result.to_table() in Astropy table format
+        Results in `~astropy.table.QTable` format.
+
         """
-        return self.sia.search(
+        results = self.sia.search(
             pos=pos,
             band=band,
             time=time,
@@ -126,6 +126,8 @@ def query_sia(self, *, pos=None, band=None, time=None, pol=None,
             maxrec=maxrec,
             **kwargs)
 
+        return results.to_qtable()
+
     query_sia.__doc__ = query_sia.__doc__.replace('_SIA2_PARAMETERS', SIA2_PARAMETERS_DESC)
 
     def query_ssa(self, *, pos=None, radius=None, band=None, time=None, collection=None):
@@ -151,17 +153,17 @@ def query_ssa(self, *, pos=None, radius=None, band=None, time=None, collection=N
 
         Returns
         -------
-        Results in `pyvo.dal.SSAResults` format.
-        result.to_table() in Astropy table format
+        Results in `~astropy.table.QTable` format.
         """
 
         if radius is None:
             diameter = None
         else:
             diameter = 2 * radius
 
-        return self.ssa.search(pos=pos, diameter=diameter, band=band, time=time,
-                               format='all', collection=collection)
+        results = self.ssa.search(pos=pos, diameter=diameter, band=band, time=time,
+                                  format='all', collection=collection)
+        return results.to_qtable()
 
     def list_collections(self, servicetype=None):
         """

astroquery/ipac/irsa/tests/test_irsa_remote.py

@@ -92,5 +92,5 @@ def test_ssa(self):
         coord = SkyCoord.from_name("Eta Carina")
         result = Irsa.query_ssa(pos=coord)
         assert len(result) > 260
-        collections = set(result.to_table()['dataid_collection'])
+        collections = set(result['dataid_collection'])
         assert {'champ', 'iso_sws', 'sofia_forcast', 'sofia_great', 'spitzer_sha'}.issubset(collections)