autograd initialization failed

Raise code

def variable(*args, **kwargs):
    warnings.warn("torch.autograd.variable(...) is deprecated, use torch.tensor(...) instead")
    return torch.tensor(*args, **kwargs)

if not torch._C._autograd_init():
    raise RuntimeError("autograd initialization failed")

# Import all native method/classes
from torch._C._autograd import (DeviceType, ProfilerActivity, ProfilerState, ProfilerConfig, ProfilerEvent,
                                _enable_profiler_legacy, _disable_profiler_legacy, _profiler_enabled,
                                _enable_record_function, _set_empty_test_observer, kineto_available,
                                supported_kineto_activities, _add_metadata_json)