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hasIdentifier: https://padme-analytics.de/pht/codeFragment/e8ac35e0c69f118e304a1d45a65e7ee076fbb0579a72e1e466f8c4085974ef15
hasContent: testing_images = test_dataset.flow_from_directory(self.testing_images_location, target_size=(150, 150), batch_size=self.batch_size, shuffle=False)

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