Add apt update

2018-10-07 13:58:09 +05:30
parent 2527512f63
commit 455b6d7961
1 changed files with 4 additions and 1 deletions
@@ -12,6 +12,9 @@ matrix:
      sudo: true
 before_install:
  - sudo apt-get install python-tk python3-tk ghostscript
+addons:
+  apt:
+    update: true
 install:
  - pip install ".[dev]"
 script: