[SEBA-497]

Delayer and alpine-base chameleon container
Also fix formatting and minor bugs

Change-Id: I465b6b351ae11dca81dbc6c88d5b6080fdbc1f5c
diff --git a/utils/dockerhelpers.py b/utils/dockerhelpers.py
index b924628..4a0c434 100644
--- a/utils/dockerhelpers.py
+++ b/utils/dockerhelpers.py
@@ -55,7 +55,7 @@
         docker_cli = DockerClient(base_url=docker_socket)
         info = docker_cli.inspect_container(my_container_id)
 
-    except Exception, e:
+    except Exception as e:
         log.exception('failed', my_container_id=my_container_id, e=e)
         raise