
Traceback (most recent call last):


 "/home/ubuntu/anaconda3/envs/pytorch_p36/lib/python3.6/site-packages/torch/utils/cpp_extension.py", line 1400, in _run_ninja_build

check=True)


 "/home/ubuntu/anaconda3/envs/pytorch_p36/lib/python3.6/subprocess.py", line 438, in run

output=stdout, stderr=stderr)

subprocess.CalledProcessError: Command '['ninja', '-v']' returned non-zero exit status 1.

Traceback (most recent call last):


 "/home/vladimir/anaconda3/lib/python3.6/site-packages/torch/utils/cpp_extension.py", line 759, in _build_extension_module

['ninja', '-v'], stderr=subprocess.STDOUT, cwd=build_directory)


 "/home/vladimir/anaconda3/lib/python3.6/subprocess.py", line 336, in check_output

**kwargs).stdout


 "/home/vladimir/anaconda3/lib/python3.6/subprocess.py", line 418, in run

output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['ninja', '-v']' returned non-zero exit status 1.
