@classmethod
  def valid_datastores(cls):

    dblist = os.listdir(DATASTORE_DIR)
    return dblist
Test the bivariate KDE estimation with statsmodels.
dataset/ETHPy150Open AppScale/appscale/AppDB/appscale_datastore_batch.py/DatastoreFactory.valid_datastores--crossover with--dataset/ETHPy150Open mwaskom/seaborn/seaborn/tests/test_distributions.py/TestKDE.test_statsmodels_bivariate_kde