Fixing Travis issues with latest setuptools

ci/travis/travis_install.sh

@@ -15,6 +15,11 @@ source ci/travis/travis_install.${TRAVIS_OS_NAME}.sh
 # pyenv setup
 #############
 
+# Don't allow the get-pip.py script that pyenv will use to install setuptools or
+# wheel; we'll install specific versions ourselves below.
+export PIP_NO_SETUPTOOLS=1
+export PIP_NO_WHEEL=1
+
 # DON'T exit if error
 set +e
 git clone https://github.com/yyuu/pyenv.git ~/.pyenv
@@ -33,7 +38,7 @@ if [ "${YCMD_PYTHON_VERSION}" == "2.6" ]; then
 elif [ "${YCMD_PYTHON_VERSION}" == "2.7" ]; then
   PYENV_VERSION="2.7.6"
 else
-  PYENV_VERSION="3.3.0"
+  PYENV_VERSION="3.3.6"
 fi
 
 pyenv install --skip-existing ${PYENV_VERSION}
@@ -52,9 +57,11 @@ test ${python_version} == ${YCMD_PYTHON_VERSION}
 # pip setup
 ############
 
-pip install -U pip wheel setuptools
+# We want to pin versions
+pip install setuptools==18.8.1
+pip install wheel==0.29.0
 pip install -r test_requirements.txt
-npm install -g typescript
+npm install -g typescript@1.7.5
 
 # We run coverage tests only on a single build, where COVERAGE=true
 if [ x"${COVERAGE}" = x"true" ]; then