From a87f990815d5111ed1715f6ecae965d8c0913852 Mon Sep 17 00:00:00 2001
From: nanoric <nanoric@qq.com>
Date: Mon, 15 Apr 2019 09:06:23 -0400
Subject: [PATCH] [Add] enable travis cache for pip

---
 .travis.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 68f911b2..fdd635b8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,11 @@ language: python
 
 dist: xenial  # required for Python >= 3.7 (travis-ci/travis-ci#9069)
 
+cache: pip
+
+git:
+  depth: 1
+
 python:
   - "3.7"