def has_features(fcollection):
    try:
        return 'features' in fcollection
        # and is_featurelike(fcollection['features'][0])
    except (AttributeError, TypeError):
        return False
Adds a description to the ``descriptions`` collection.
dataset/ETHPy150Open bkg/django-spillway/spillway/collections.py/has_features--crossover with--dataset/ETHPy150Open STIXProject/python-stix/stix/extensions/test_mechanism/generic_test_mechanism.py/GenericTestMechanism.add_description