GUI classes should only init with main GUI as parent

nw/gui/projdetails.py

@@ -43,7 +43,7 @@ logger = logging.getLogger(__name__)
 
 class GuiProjectDetails(PagedDialog):
 
-    def __init__(self, theParent, theProject):
+    def __init__(self, theParent):
         PagedDialog.__init__(self, theParent)
 
         logger.debug("Initialising GuiProjectDetails ...")
@@ -51,8 +51,8 @@ class GuiProjectDetails(PagedDialog):
 
         self.mainConf   = nw.CONFIG
         self.theParent  = theParent
-        self.theProject = theProject
-        self.optState   = theProject.optState
+        self.theProject = theParent.theProject
+        self.optState   = theParent.theProject.optState
 
         self.setWindowTitle(self.tr("Project Details"))