Arch: Fixed OBJ exporter to work with curves - fixes #1527

src/Mod/Draft/Draft.py

@@ -342,7 +342,6 @@ def removeHidden(objectslist):
     for o in objectslist:
         if o.ViewObject:
             if not o.ViewObject.isVisible():
-
                 newlist.remove(o)
     return newlist
 

src/Mod/Draft/DraftSnap.py

@@ -1032,7 +1032,7 @@ class Snapper:
             FreeCADGui.Snapper.off()
             self.ui.offUi()
             if callback:
-                if len(inspect.getargspec(callback).args) > 2:
+                if len(inspect.getargspec(callback).args) > 1:
                     callback(self.pt,obj)
                 else:
                     callback(self.pt)