protobuf to handle python 2.7 issues
@@ -10,6 +10,7 @@ pytest-xdist==1.32.0
# we pin coverage to 4.5.4 because there is an bug with `pytest-cov`. the generated coverage files cannot be `coverage combine`ed
coverage==4.5.4
bandit==1.6.2
+protobuf==3.17.3; python_version == '2.7'
# locking packages defined as deps from azure-sdk-tools or azure-devtools
pytoml==0.1.21
