Merge pull request SciTools#1441 from rhattersley/update-miniconda

Update miniconda install

Author: rhattersley

.travis.yml

@@ -30,9 +30,9 @@ install:
   # -----------------
   - export CONDA_BASE=http://repo.continuum.io/miniconda/Miniconda
   - if [[ "$TRAVIS_PYTHON_VERSION" == 2* ]]; then
-      wget ${CONDA_BASE}-3.4.2-Linux-x86_64.sh -O miniconda.sh;
+      wget ${CONDA_BASE}-3.7.0-Linux-x86_64.sh -O miniconda.sh;
     else
-      wget ${CONDA_BASE}3-3.4.2-Linux-x86_64.sh -O miniconda.sh;
+      wget ${CONDA_BASE}3-3.7.0-Linux-x86_64.sh -O miniconda.sh;
     fi
   - bash miniconda.sh -b -p $HOME/miniconda
   - export PATH="$HOME/miniconda/bin:$PATH"