ignore coverage parse errors

Azure has Python 2.7.15 and Python 3.5.5, which can't parse async code.
Later patch versions can parse it fine, so this can be removed if
Azure updates.

1 files changed, 2 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index fcabc6b1..b4e3afdc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,4 +31,5 @@ deps = coverage
 skip_install = true
 commands =
     coverage combine
-    coverage xml
+    # Ignoring errors because 2.7.15 and 3.5.5 on Azure can't parse async files.
+    coverage xml --ignore-errors