fix missing .poll attribute in simulation

using super() in SimBase.__new__ fixes the problem

Change-Id: I18d0ba6ac476c2edb0d973090bcb09508a983d6a
Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/32136
Reviewed-by: Alexander Zaft <a.zaft@fz-juelich.de>
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>

frappy/simulation.py

@@ -54,7 +54,7 @@ class SimBase:
 
                 attrs['write_' + k] = writer
 
-        return object.__new__(type(f'SimBase_{devname}', (cls,), attrs))
+        return super().__new__(type(f'SimBase_{devname}', (cls,), attrs))
 
     def initModule(self):
         super().initModule()