Bumped version

docker/client.py

@@ -898,7 +898,8 @@ class Client(requests.Session):
                     # auth_config needs to be a dict in the format used by
                     # auth.py username , password, serveraddress, email
                     headers['X-Registry-Auth'] = auth.encode_header(
-                        authcfg)
+                        authcfg
+                    )
             else:
                 headers['X-Registry-Auth'] = auth.encode_header(auth_config)
 

docker/version.py

-version = "1.2.2-dev"
+version = "1.2.2"
 version_info = tuple([int(d) for d in version.replace("-dev", "").split(".")])