Observer pattern raus geschmissen. Nicht benötigt.

lib/CreoMigrateGui.py

@@ -178,6 +178,7 @@ class RightFramePDM(AllRightFrames):
                 variable=self.neuaufbau,
                 onvalue="True",
                 offvalue="False")
+                #command=self.checkbox_callback,
         neuaufbau_checkbutton.grid(column=col_left+2, row=self.rownum, sticky=tk.W, padx=5, pady=5)
         self.rownum += 1
 
@@ -201,6 +202,7 @@ class RightFramePDM(AllRightFrames):
                 variable=self.aus_halbzeug_neu,
                 onvalue="True",
                 offvalue="False")
+                #command=self.checkbox_callback,
         aushalbzeug_checkbuttonr.grid(column=col_left+2, row=self.rownum, sticky=tk.W, padx=5, pady=5)
         self.rownum += 1
 
@@ -237,6 +239,12 @@ class RightFramePDM(AllRightFrames):
     def combo_callbacks(self, event):
         """ handle the changed event of TK"""
         # TODO falls nötig 
+        a = 6
+        pass
+
+    def checkbox_callback(self, event):
+        """ handle the changed event of TK"""
+        a = 6
         pass