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@ -276,7 +276,7 @@ class ModelCheckpoint(Callback):
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# save graph (only once)
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if not self._graph_saved:
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graph_file_name = os.path.join(self._directory, self._prefix + '-graph.meta')
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if os.path.isfile(graph_file_name):
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if os.path.isfile(graph_file_name) and context.get_context("mode") == context.GRAPH_MODE:
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os.remove(graph_file_name)
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_save_graph(cb_params.train_network, graph_file_name)
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self._graph_saved = True
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