f2cfa5fb8e73229a1757acbcc94bab13099de439,PyPi/utils/spaces.py,MultiDiscrete,get_idx,#MultiDiscrete#Any#,84

Before Change

    def get_idx(self, value):
        idx = list()
        for s, v in enumerate(value):
            idx.append(np.argwhere(
                self.discrete_spaces[s].values == v).ravel()[0])

        return idx

After Change

        if value.ndim == 1:
            idxs = [
                self.discrete_spaces[i]._idxs[v] for i, v in enumerate(value)]
        elif value.ndim == 2:
            idxs = list()
            for v in value:
                idx = [
                    self.discrete_spaces[i]._idxs[v1] for i, v1 in enumerate(v)]
                idxs.append(idx)
        else:
            raise ValueError("Wrong dimension for indices array.")

        return np.array(idxs)

Instances