Don't pin dependency versions in requirements.txt (#70) (#71)

KevOrr · martinmr · commit 0f4056091766 · 2019-06-07T14:12:03.000-07:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,2 +1,2 @@
 grpcio>=1.18.0
-protobuf==3.6.1
+protobuf>=3.6.1
