travis: fix 'Directory u'../' is not installable'

zhangchunlin · zhangchunlin · commit 612c377d3a98 · 2019-10-23T18:18:24.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,5 +3,5 @@ python:
   - "3.6"
   - "3.7"
 sudo: required
-before_install: sudo pip install -r tests/requirements.txt
+before_install: cd tests;sudo pip install -r requirements.txt
 script: cd tests;nosetests --with-doctest
