build: Add caching for pip files (#520)

Caches lets Travis CI store directories between builds, which is useful for storing dependencies that take longer to compile or download. -Travis CI Docs Signed-off-by: Daniel González Lopes danielgonzalezlopes@gmail.com
open-telemetry · Mar 23, 2020 · fbfafa4 · fbfafa4
1 parent 929adcd
commit fbfafa4
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,8 @@ dist: xenial
 
 language: python
 
+cache: pip
+
 python:
   - '3.4'
   - '3.5'