Setting MAIN_GAIA_TABLE in astroquery.gaia.Gaia has no effect

[adrn]

Minimum working example demonstrating that setting Gaia.MAIN_GAIA_TABLE does not lead to EDR3 results:

import astropy.coordinates as coord
import astropy.units as u
from astroquery.gaia import Gaia
Gaia.MAIN_GAIA_TABLE = 'gaiaedr3.gaia_source'
result_tbl = Gaia.query_object(coord.SkyCoord(37.65032*u.deg, 
                                              89.26089*u.deg), 
                               radius=4*u.arcsec)
print(result_tbl['designation'])

(Outputs a Gaia DR2 designation)

astroquery v0.4.2

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cc @jcsegovia