Install torch

.travis.yml

@@ -56,6 +56,7 @@ matrix:
       env: PATH=/c/Python37:/c/Python37/Scripts:$PATH
 install:
   - source tests/travis_install.sh
+  - pip3 install torch
   - pip3 install -e .
   - pip3 install torch || echo "failed to install machine learning stuff"
 before_script:

tests/travis_install.sh

@@ -44,7 +44,6 @@ fi
 
 # for all
 pip3 install -U pip wheel setuptools
-pip3 install -U cppimport pybind11
 pip3 install tox
 pip3 install codecov
 pip3 install sphinx