Fix up .travis.yml and configure

Author: cclauss

.travis.yml

@@ -23,9 +23,8 @@ jobs:
             - g++-6
       install: *ccache-setup-steps
       script:
-        - pyenv global 2.7.15
-        - pip install --upgrade pip
-        - pip install six
+        - pyenv global ${PYTHON_VERSION}
+        - export PYTHONPATH="${PYTHONPATH}:$(pwd)/deps"
         - ./configure
         - make -j2 -C out V=1 v8
 

configure

@@ -25,4 +25,4 @@ if sys.version_info[:2] != (2, 7):
   sys.stderr.write('\n')
   sys.exit(1)
 
-import configure
+import configure