Hi,
Is there any problem with the current source, conda, and the docker? Asking because I have been trying to build a new docker using the latest source but after building (i.e. import torch), I get the following error: (I didn’t have this problem before)
from torch._C import *
ImportError: /opt/conda/envs/pytorch-py35/lib/python3.5/site-packages/torch/_C.cpython-35m-x86_64-linux-gnu.so: undefined symbol: _ZN3MPI8Datatype4FreeEv

and here is my docker:
RUN apt-get update && apt-get install -y --no-install-recommends \
         build-essential \
         cmake \
         git \
         curl \
         vim \
         ca-certificates \
         libjpeg-dev \
         libpng-dev &&\
     rm -rf /var/lib/apt/lists/*

RUN curl -o ~/miniconda.sh -O  https://repo.continuum.io/miniconda/Miniconda3-4.2.12-Linux-x86_64.sh  && \
     chmod +x ~/miniconda.sh && \
     ~/miniconda.sh -b -p /opt/conda && \     
     rm ~/miniconda.sh && \
     /opt/conda/bin/conda install conda-build && \
     /opt/conda/bin/conda create -y --name pytorch-py35 python=3.5.2 numpy pyyaml scipy ipython mkl&& \
     /opt/conda/bin/conda clean -ya 
ENV PATH /opt/conda/envs/pytorch-py35/bin:$PATH
RUN conda install --name pytorch-py35 -c soumith magma-cuda80

RUN  git clone --recursive https://github.com/pytorch/pytorch /opt/pytorch
WORKDIR /opt/pytorch
RUN git submodule update --init


RUN TORCH_CUDA_ARCH_LIST="3.5 5.2 6.0 6.1+PTX" TORCH_NVCC_FLAGS="-Xfatbin -compress-all" \
    CMAKE_PREFIX_PATH="$(dirname $(which conda))/../" \
    pip install -v .

RUN git clone https://github.com/pytorch/vision.git && cd vision && pip install -v .

WORKDIR /workspace
RUN chmod -R a+w /workspace