Bugfix in lefactory

leobject/lefactory.py

     @staticmethod
     def leobj_from_name(name):
         if LeFactory.modname is None:
-            modname = 'leobject.' + LeFactory.output_file.split('.')[1]
+            modname = 'leobject.' + LeFactory.output_file.split('.')[0]
         else:
             modname = LeFactory.modname
         mod = importlib.import_module(modname)