code: def add_valid_neighbours(self, points):
      for num_valid in points:
          self._histogram[num_valid] += 1
  
file_path: torch-points3d/torch_points3d/utils/debugging_vars.py
imports: import numpy
label_desc: Use image node_id 6 for calling the DistributionNeighbour obj's underlying member method code with example usage: obj.add_valid_neighbours(points) without return types