new_contents: from pymatgen.analysis.local_env import MinimumDistanceNN
  
  class MinimumDistanceNNAll(MinimumDistanceNN):
      """
      Determine bonded sites by fixed cutoff
      Args:.
          cutoff (float): cutoff radius in Angstrom to look for trial
              near-neighbor sites (default: 4.0).
      """
  
      def __init__(self, cutoff=4.0):
          self.cutoff = cutoff
  
      def get_nn_info(self, structure, n):
          """
          Get all near-neighbor sites as well as the associated image locations
          and weights of the site with index n using the closest neighbor
          distance-based method.
          Args:
              structure (Structure): input structure.
              n (integer): index of site for which to determine near
                  neighbors.
  
          Returns:
              siw (list of tuples (Site, array, float)): tuples, each one
                  of which represents a neighbor site, its image location,
                  and its weight.
          """
  
          site = structure[n]
          neighs_dists = structure.get_neighbors(site, self.cutoff)
  
          siw = []
          for s, dist in neighs_dists:
              w = dist
              siw.append({'site': s,
                          'image': self._get_image(structure, s),
                          'weight': w,
                          'site_index': self._get_original_site(structure, s)})
          return siw
  
subject: add pymatgen local_env strategy for all bonds below cutoff