migrated secop_psi drivers to new syntax

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

Change-Id: Ie3ceee3dbd0a9284b47b1d5b5dbe262eebe8f283

secop/simulation.py

@@ -22,12 +22,15 @@
 """Define Simulation classes"""
 
 
+# TODO: rework after syntax change!
+
 import random
 from time import sleep
 
 from secop.datatypes import FloatRange
 from secop.lib import mkthread
-from secop.modules import Drivable, Module, Parameter, Readable, Writable, BasicPoller
+from secop.modules import BasicPoller, Drivable, \
+    Module, Parameter, Readable, Writable
 
 
 class SimBase: