Fix for travis error

mugetsu · mugetsu · commit 93faf271301c · 2020-03-13T15:03:45.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,6 +6,9 @@ cache:
   directories:
     - "node_modules"
 
+before_cache:
+  - rm -f node_modules
+
 branches:
   only:
   - master
