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