def stem(self, words):
        stemmer = PorterStemmer()
        _stem = stemmer.stem
        for word in words:
            yield _stem(word, 0, len(word) - 1)
Returns True if other.properties is superset of self.properties.
dataset/ETHPy150Open coleifer/walrus/walrus/models.py/FullTextIndex.stem--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/tools/handler.py/Handler._PropertiesMatch