migrated secop_psi drivers to new syntax

- includes all changes up to 'fix inheritance order' from git_mlz
  6a32ecf342

Change-Id: Ie3ceee3dbd0a9284b47b1d5b5dbe262eebe8f283

secop/lib/__init__.py

@@ -21,13 +21,13 @@
 # *****************************************************************************
 """Define helpers"""
 
+import importlib
 import linecache
 import socket
 import sys
 import threading
 import traceback
-import importlib
-from os import path, environ
+from os import environ, path
 
 repodir = path.abspath(path.join(path.dirname(__file__), '..', '..'))
 
@@ -58,6 +58,7 @@ CONFIG['basedir'] = repodir
 
 unset_value = object()
 
+
 class lazy_property:
     """A property that calculates its value only once."""