Add "sudo: false" to .travis.yml in an attempt to stop the random build failures.

diff --git a/.travis.yml b/.travis.yml
index c32036d4a73abb374736d73afbf4ab8700ee73d8..55afe4db9935675046a3a25861897fef40418f30 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -62,3 +62,8 @@ script:
 
 after_success:
     coveralls
+
+# This reportedly works around an issue downloading packages from pypi on
+# travis.  Consider removing this after the underlying issue is fixed.
+# https://github.com/travis-ci/travis-ci/issues/2389
+sudo: false