travis: forbid rainbow 2.2.1 as it has an installation bug (ku1ik/rai…

…nbow#44)
toy · Mar 20, 2017 · f44d3f7 · f44d3f7
1 parent bbdad96
commit f44d3f7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/Gemfile b/Gemfile
@@ -13,3 +13,5 @@ end
 if RUBY_VERSION >= '2.0'
   gem 'travis_check_rubies', '~> 0.2'
 end
+
+gem 'rainbow', '!= 2.2.1' # TODO: remove when sickill/rainbow#44 is resolved