Auto-update dependencies. (#1406)

dpebot · Jon Wayne Parrott · commit 3900f526c17a · 2018-03-16T09:05:55.000-07:00
diff --git a/spanner/cloud-client/requirements.txt b/spanner/cloud-client/requirements.txt
@@ -1,2 +1,2 @@
 google-cloud-spanner==1.2.0
-futures ; python_version < '3'
+futures==3.2.0; python_version < "3"
