code: def handle_overrides(graph, overrides):
      
      for key in overrides:
          levels = key.split('.')
          part = graph
          for lvl in levels[:-1]:
              try:
                  part = part[lvl]
              except KeyError:
                  raise KeyError("'%s' override failed at '%s'", (key, lvl))
          try:
              part[levels[-1]] = overrides[key]
          except KeyError:
              raise KeyError("'%s' override failed at '%s'", (key, levels[-1]))
docs: Handle any overrides for this model configuration.
  
      Parameters
      ----------
      graph : dict or object
          A dictionary (or an ObjectProxy) containing the object graph
          loaded from a YAML file.
      overrides : dict
          A dictionary containing overrides to apply. The location of
          the override is specified in the key as a dot-delimited path
          to the desired parameter, e.g. "model.corruptor.corruption_level".