ONNX export in .train() mode fix (ultralytics#3362)

(cherry picked from commit ef4d538)
Lechtr · Jun 14, 2021 · ae41ee4 · ae41ee4
1 parent 72444bf
commit ae41ee4
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/models/export.py b/models/export.py
@@ -97,6 +97,8 @@
             print(f'{prefix} starting export with onnx {onnx.__version__}...')
             f = opt.weights.replace('.pt', '.onnx')  # filename
             torch.onnx.export(model, img, f, verbose=False, opset_version=opt.opset_version, input_names=['images'],
+                              training=torch.onnx.TrainingMode.TRAINING if opt.train else torch.onnx.TrainingMode.EVAL,
+                              do_constant_folding=not opt.train,
                               dynamic_axes={'images': {0: 'batch', 2: 'height', 3: 'width'},  # size(1,3,640,640)
                                             'output': {0: 'batch', 2: 'y', 3: 'x'}} if opt.dynamic else None)