@Substitution(name='groupby')
    @Appender(_doc_template)
    def cumcount(self, ascending=True):

        self._set_selection_from_grouper()

        index = self._selected_obj.index
        cumcounts = self._cumcount_array(ascending=ascending)
        return Series(cumcounts, index)
Establish a boto library connection (for functionality not available in libcloud).
dataset/ETHPy150Open pydata/pandas/pandas/core/groupby.py/GroupBy.cumcount--crossover with--dataset/ETHPy150Open chapmanb/cloudbiolinux/cloudbio/deploy/vmlauncher/__init__.py/Ec2VmLauncher.boto_connection