assembly: fix canAutoSolve()

2018-07-16 16:34:26 +08:00 · 2018-07-16 16:34:26 +08:00 · 548c784f65
commit 548c784f65
parent 58ecba3ca7
1 changed files with 1 additions and 0 deletions
--- a/assembly.py
+++ b/assembly.py
@ -1902,6 +1902,7 @@ class Assembly(AsmGroup):
    def canAutoSolve(cls):
        from . import solver
        return gui.AsmCmdManager.AutoRecompute and \
+               FreeCADGui.ActiveDocument and \
               not FreeCADGui.ActiveDocument.Transacting and \
               not FreeCAD.isRestoring() and \
               not solver.isBusy() and \