.travis.yml in csv-importer-0.7.0 vs .travis.yml in csv-importer-0.8.0

@@ -1,7 +1,8 @@
 language: ruby
 rvm:
   - 2.3.0
+  - 2.7
 addons:
   code_climate:
     repo_token: bcecbf1b229a2ddd666a2c3830f26a0113fd56ae1586d30d2d3fb1af837bf0e4
 after_success:
   - bundle exec codeclimate-test-reporter