Relax travis checks for Python nightly

asvetlov · asvetlov · commit ec98b4b7a1a5 · 2018-01-31T12:47:27.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,9 +4,12 @@ services:
 - docker
 
 python:
-  - 3.5
-  - 3.6
-  - nightly
+- 3.5
+- 3.6
+- nightly
+
+allow_failures:
+- python: nightly
 
 install:
 # - pip install --upgrade setuptools
