Try using astroquery's logger in cadc.
@@ -7,7 +7,7 @@ CADC
Module to query the Canadian Astronomy Data Centre (CADC).
"""
-import logging
+from astroquery import log as logger
import warnings
import requests
from numpy import ma
@@ -38,8 +38,6 @@ __all__ = ['Cadc', 'CadcClass']
CADC_COOKIE_PREFIX = 'CADC_SSO'
-logger = logging.getLogger('cadc')
-
# TODO figure out what to do if anything about them. Some might require
# fixes on the CADC servers
warnings.filterwarnings('ignore', module='astropy.io.votable')
