coremltools/converters/keras/_topology.py [341:365]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    def _remove_old_edges(self, layer):
        predecessors = self.get_predecessors(layer)
        successors = self.get_successors(layer)
        for pred in predecessors:
            self._remove_edge(pred, layer)
        for succ in successors:
            self._remove_edge(layer, succ)

    def _remove_layers_of_type(self, layer_type):
        idx = self._get_first_layer_of_type(layer_type)
        while idx >= 0:
            layer = self.layer_list[idx]
            self._remove_layer_and_reconnect(layer)
            idx = self._get_first_layer_of_type(layer_type)

    def remove_skip_layers(self, skip_layers):
        for skip_layer in skip_layers:
            self._remove_layers_of_type(skip_layer)

    def remove_internal_input_layers(self):
        idx, nb_layers = 0, len(self.layer_list)
        while idx < nb_layers:
            layer = self.layer_list[idx]
            keras_layer = self.keras_layer_map[layer]
            if (
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



coremltools/converters/keras/_topology2.py [445:469]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    def _remove_old_edges(self, layer):
        predecessors = self.get_predecessors(layer)
        successors = self.get_successors(layer)
        for pred in predecessors:
            self._remove_edge(pred, layer)
        for succ in successors:
            self._remove_edge(layer, succ)

    def _remove_layers_of_type(self, layer_type):
        idx = self._get_first_layer_of_type(layer_type)
        while idx >= 0:
            layer = self.layer_list[idx]
            self._remove_layer_and_reconnect(layer)
            idx = self._get_first_layer_of_type(layer_type)

    def remove_skip_layers(self, skip_layers):
        for skip_layer in skip_layers:
            self._remove_layers_of_type(skip_layer)

    def remove_internal_input_layers(self):
        idx, nb_layers = 0, len(self.layer_list)
        while idx < nb_layers:
            layer = self.layer_list[idx]
            keras_layer = self.keras_layer_map[layer]
            if (
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -