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Set MPLBACKEND to avoid error

Kentaro Wada 7 years ago
parent
commit
a357ffb9b6
1 changed files with 1 additions and 0 deletions
  1. 1 0
      .travis.yml

+ 1 - 0
.travis.yml

@@ -11,6 +11,7 @@ matrix:
         - SYSTEM_PYTHON=/usr/bin/python
         - PIP=pip
         - PYTHON=python
+        - MPLBACKEND=Agg
       addons:
         apt:
           packages: