@@ -296,7 +296,7 @@ def test_convert_saved_model_v1(self):
296296 with open (os .path .join (tfjs_path , 'model.json' ), 'rt' ) as f :
297297 model_json = json .load (f )
298298 self .assertTrue (model_json ['modelTopology' ])
299- self .assertTrue (model_json ['modelTopology' ]['versions' ] is not None )
299+ self .assertIsNot (model_json ['modelTopology' ]['versions' ], None )
300300 weights_manifest = model_json ['weightsManifest' ]
301301 self .assertCountEqual (weights_manifest [0 ]['paths' ],
302302 ['group1-shard1of1.bin' ])
@@ -330,7 +330,7 @@ def test_convert_saved_model_v1_with_hashtable(self):
330330 with open (os .path .join (tfjs_path , 'model.json' ), 'rt' ) as f :
331331 model_json = json .load (f )
332332 self .assertTrue (model_json ['modelTopology' ])
333- self .assertTrue (model_json ['modelTopology' ]['versions' ] is not None )
333+ self .assertIsNot (model_json ['modelTopology' ]['versions' ], None )
334334 weights_manifest = model_json ['weightsManifest' ]
335335 self .assertEqual (weights_manifest , expected_weights_manifest )
336336 # Check meta-data in the artifact JSON.
@@ -355,7 +355,7 @@ def test_convert_saved_model(self):
355355 with open (os .path .join (tfjs_path , 'model.json' ), 'rt' ) as f :
356356 model_json = json .load (f )
357357 self .assertTrue (model_json ['modelTopology' ])
358- self .assertTrue (model_json ['modelTopology' ]['versions' ] is not None )
358+ self .assertIsNot (model_json ['modelTopology' ]['versions' ], None )
359359 weights_manifest = model_json ['weightsManifest' ]
360360 self .assertCountEqual (weights_manifest [0 ]['paths' ],
361361 ['group1-shard1of1.bin' ])
@@ -373,7 +373,7 @@ def test_convert_saved_model_with_fused_conv2d(self):
373373 with open (os .path .join (tfjs_path , 'model.json' ), 'rt' ) as f :
374374 model_json = json .load (f )
375375 self .assertTrue (model_json ['modelTopology' ])
376- self .assertTrue (model_json ['modelTopology' ]['versions' ] is not None )
376+ self .assertIsNot (model_json ['modelTopology' ]['versions' ], None )
377377 nodes = model_json ['modelTopology' ]['node' ]
378378
379379 fusedOp = None
@@ -414,7 +414,7 @@ def test_convert_saved_model_with_prelu(self):
414414 with open (os .path .join (tfjs_path , 'model.json' ), 'rt' ) as f :
415415 model_json = json .load (f )
416416 self .assertTrue (model_json ['modelTopology' ])
417- self .assertTrue (model_json ['modelTopology' ]['versions' ] is not None )
417+ self .assertIsNot (model_json ['modelTopology' ]['versions' ], None )
418418 nodes = model_json ['modelTopology' ]['node' ]
419419
420420 prelu_op = None
@@ -454,7 +454,7 @@ def test_convert_saved_model_with_unfusable_prelu(self):
454454 with open (os .path .join (tfjs_path , 'model.json' ), 'rt' ) as f :
455455 model_json = json .load (f )
456456 self .assertTrue (model_json ['modelTopology' ])
457- self .assertTrue (model_json ['modelTopology' ]['versions' ] is not None )
457+ self .assertIsNot (model_json ['modelTopology' ]['versions' ], None )
458458 nodes = model_json ['modelTopology' ]['node' ]
459459
460460 prelu_op = None
@@ -489,7 +489,7 @@ def test_convert_saved_model_with_control_flow(self):
489489 with open (os .path .join (tfjs_path , 'model.json' ), 'rt' ) as f :
490490 model_json = json .load (f )
491491 self .assertTrue (model_json ['modelTopology' ])
492- self .assertTrue (model_json ['modelTopology' ]['versions' ] is not None )
492+ self .assertIsNot (model_json ['modelTopology' ]['versions' ], None )
493493 weights_manifest = model_json ['weightsManifest' ]
494494 self .assertCountEqual (weights_manifest [0 ]['paths' ],
495495 ['group1-shard1of1.bin' ])
@@ -528,7 +528,7 @@ def test_convert_saved_model_skip_op_check(self):
528528 with open (os .path .join (tfjs_path , 'model.json' ), 'rt' ) as f :
529529 model_json = json .load (f )
530530 self .assertTrue (model_json ['modelTopology' ])
531- self .assertTrue (model_json ['modelTopology' ]['versions' ] is not None )
531+ self .assertIsNot (model_json ['modelTopology' ]['versions' ], None )
532532 weights_manifest = model_json ['weightsManifest' ]
533533 self .assertCountEqual (weights_manifest [0 ]['paths' ],
534534 ['group1-shard1of1.bin' ])
@@ -553,7 +553,7 @@ def test_convert_saved_model_strip_debug_ops(self):
553553 with open (os .path .join (tfjs_path , 'model.json' ), 'rt' ) as f :
554554 model_json = json .load (f )
555555 self .assertTrue (model_json ['modelTopology' ])
556- self .assertTrue (model_json ['modelTopology' ]['versions' ] is not None )
556+ self .assertIsNot (model_json ['modelTopology' ]['versions' ], None )
557557 weights_manifest = model_json ['weightsManifest' ]
558558 self .assertCountEqual (weights_manifest [0 ]['paths' ],
559559 ['group1-shard1of1.bin' ])
@@ -573,7 +573,7 @@ def test_convert_hub_module_v1(self):
573573 with open (os .path .join (tfjs_path , 'model.json' ), 'rt' ) as f :
574574 model_json = json .load (f )
575575 self .assertTrue (model_json ['modelTopology' ])
576- self .assertTrue (model_json ['modelTopology' ]['versions' ] is not None )
576+ self .assertIsNot (model_json ['modelTopology' ]['versions' ], None )
577577 weights_manifest = model_json ['weightsManifest' ]
578578 self .assertCountEqual (weights_manifest [0 ]['paths' ],
579579 ['group1-shard1of1.bin' ])
@@ -595,7 +595,7 @@ def test_convert_hub_module_v2(self):
595595 with open (os .path .join (tfjs_path , 'model.json' ), 'rt' ) as f :
596596 model_json = json .load (f )
597597 self .assertTrue (model_json ['modelTopology' ])
598- self .assertTrue (model_json ['modelTopology' ]['versions' ] is not None )
598+ self .assertIsNot (model_json ['modelTopology' ]['versions' ], None )
599599 weights_manifest = model_json ['weightsManifest' ]
600600 self .assertCountEqual (weights_manifest [0 ]['paths' ],
601601 ['group1-shard1of1.bin' ])
@@ -620,8 +620,7 @@ def test_convert_frozen_model(self):
620620 with open (os .path .join (tfjs_path , 'model.json' ), 'rt' ) as f :
621621 model_json = json .load (f )
622622 self .assertTrue (model_json ['modelTopology' ])
623- self .assertTrue (model_json ['modelTopology' ]['versions' ] is not None )
624- weights_manifest = model_json ['weightsManifest' ]
623+ self .assertIsNot (model_json ['modelTopology' ]['versions' ], None )
625624 weights_manifest = model_json ['weightsManifest' ]
626625 self .assertCountEqual (weights_manifest [0 ]['paths' ],
627626 ['group1-shard1of1.bin' ])
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