| import warnings | |
| import torch | |
| from annotator.mmpkg.mmcv.utils import digit_version | |
| def is_jit_tracing() -> bool: | |
| if (torch.__version__ != 'parrots' | |
| and digit_version(torch.__version__) >= digit_version('1.6.0')): | |
| on_trace = torch.jit.is_tracing() | |
| # In PyTorch 1.6, torch.jit.is_tracing has a bug. | |
| # Refers to https://github.com/pytorch/pytorch/issues/42448 | |
| if isinstance(on_trace, bool): | |
| return on_trace | |
| else: | |
| return torch._C._is_tracing() | |
| else: | |
| warnings.warn( | |
| 'torch.jit.is_tracing is only supported after v1.6.0. ' | |
| 'Therefore is_tracing returns False automatically. Please ' | |
| 'set on_trace manually if you are using trace.', UserWarning) | |
| return False | |