def relate(self, subj, rel_type, obj, properties=None):
        if not hasattr(subj, "__rel__"):
            subj.__rel__ = {}
        if rel_type not in subj.__rel__:
            subj.__rel__[rel_type] = []
        subj.__rel__[rel_type].append((properties or {}, obj))
Compute a definite integral.
dataset/ETHPy150Open nigelsmall/py2neo/py2neo/ext/ogm/store.py/Store.relate--crossover with--dataset/ETHPy150Open scipy/scipy/scipy/integrate/quadpack.py/quad