deploy only on python-3.6 build to avoid conflict with other version deployments.

Gregory Ghez · Gregory Ghez · commit 470fab4ebb4d · 2018-08-26T16:51:11.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -22,3 +22,4 @@ deploy:
   password: ${PYPI_PASS}
   on:
     tags: true
+    condition: ${TRAVIS_PYTHON_VERSION} == 3.6
