Resolve a compatibility issue
@@ -2,7 +2,7 @@ Click==7.0
coverage==5.0.3
ddt==1.2.2
flake8==3.7.9
-gitpython==2.1.14
+gitpython==2.1.15
mock==3.0.5
pytest==5.3.4; python_version >= '3.5'
pytest==4.6.5; python_version < '3.5'
@@ -10,7 +10,7 @@ dockerpty==0.4.1
docopt==0.6.2
enum34==1.1.6; python_version < '3.4'
functools32==3.2.3.post2; python_version < '3.2'
-idna==2.9
+idna==2.8
ipaddress==1.0.23
jsonschema==3.2.0
paramiko==2.7.1