docs: def is_duplicate_edge(data, data_other):
      """
      Check if two edge data dictionaries are the same based on OSM ID and
      geometry.
  
      Parameters
      ----------
      data : dict
          the first edge's data
      data_other : dict
          the second edge's data
  
      Returns
      -------
      is_dupe : bool
      """
  
      is_dupe = False
  
      # if either edge's OSM ID contains multiple values (due to simplification), we want
      # to compare as sets so they are order-invariant, otherwise uv does not match vu
      osmid = set(data['osmid']) if isinstance(data['osmid'], list) else data['osmid']
      osmid_other = set(data_other['osmid']) if isinstance(data_other['osmid'], list) else data_other['osmid']
  
      if osmid == osmid_other:
          # if they contain the same OSM ID or set of OSM IDs (due to simplification)
          if ('geometry' in data) and ('geometry' in data_other):
              # if both edges have a geometry attribute
              if is_same_geometry(data['geometry'], data_other['geometry']):
                  # if their edge geometries have the same coordinates
                  is_dupe = True
          elif ('geometry' in data) and ('geometry' in data_other):
              # if neither edge has a geometry attribute
              is_dupe = True
          else:
              # if one edge has geometry attribute but the other doesn't, keep it
              pass
  
      return is_dupe