generate python proto files, third trial ;)
add test for generated python files

Signed-off-by: uwe ottrembka <uwe.ottrembka@adtran.com>
Change-Id: Id336c263bbc9420bd4c64093ab37ba6da5c77514
diff --git a/.gitignore b/.gitignore
index f265739..8eeec50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,7 +14,7 @@
 java
 
 # generated files that shouldn't be committed
-*_pb2.py
+#*_pb2.py
 *_pb2_grpc.py
 *.desc