Get all near-neighbor information.
        Args:
            structure: (Structure) pymatgen Structure
            n: (int) index of target site

        Returns:
            siw (list of dicts): each dictionary provides information
                about a single near neighbor, where key 'site' gives
                access to the corresponding Site object, 'image' gives
                the image location, and 'weight' provides the weight
                that a given near-neighbor site contributes
                to the coordination number (1 or smaller), 'site_index'
                gives index of the corresponding site in
                the original structure.

def get_nn_info(self, structure, n):
        """
        Get all near-neighbor information.
        Args:
            structure: (Structure) pymatgen Structure
            n: (int) index of target site

        Returns:
            siw (list of dicts): each dictionary provides information
                about a single near neighbor, where key 'site' gives
                access to the corresponding Site object, 'image' gives
                the image location, and 'weight' provides the weight
                that a given near-neighbor site contributes
                to the coordination number (1 or smaller), 'site_index'
                gives index of the corresponding site in
                the original structure.
        """

        nndata = self.get_nn_data(structure, n)

        if not self.weighted_cn:
            max_key = max(nndata.cn_weights, key=lambda k: nndata.cn_weights[k])
            nn = nndata.cn_nninfo[max_key]
            for entry in nn:
                entry["weight"] = 1
            return nn

        else:
            for entry in nndata.all_nninfo:
                weight = 0
                for cn in nndata.cn_nninfo:
                    for cn_entry in nndata.cn_nninfo[cn]:
                        if entry["site"] == cn_entry["site"]:
                            weight += nndata.cn_weights[cn]

                entry["weight"] = weight

            return nndata.all_nninfo