Traceback (most recent call last):


 "pytorch_synthetic_benchmark.py", line 9, in <module>

import horovod.torch as hvd


 "/usr/local/lib/python3.5/dist-packages/horovod/torch/__init__.py", line 27, in <module>

__file__, 'mpi_lib', '_mpi_lib')


 "/usr/local/lib/python3.5/dist-packages/horovod/common/__init__.py", line 48, in check_extension

'Horovod with %s=1 to debug the build error.' % (ext_name, ext_env_var))
ImportError: Extension horovod.torch has not been built.
If this is not expected, reinstall Horovod with HOROVOD_WITH_PYTORCH=1 to debug the build error.

Traceback (most recent call last):


 "./examples/example1.py", line 12, in <module>

import neural_renderer as nr


 "/home/mona/anaconda3/lib/python3.7/site-packages/neural_renderer/__init__.py", line 3, in <module>

from .load_obj import load_obj


 "/home/mona/anaconda3/lib/python3.7/site-packages/neural_renderer/load_obj.py", line 8, in <module>

import neural_renderer.cuda.load_textures as load_textures_cuda
ImportError: /home/mona/anaconda3/lib/python3.7/site-packages/neural_renderer/cuda/load_textures.cpython-37m-x86_64-linux-gnu.so: undefined symbol: THPVariableClass
