add execption handling for isatty()

py-kms/pykms_Format.py

@@ -187,8 +187,11 @@ class ShellMessage(object):
             if sys.stdout.isatty():
                 print(toprint)
             else:
+                try:
                     from pykms_GuiBase import gui_redirect # Import after variables creation.
                     gui_redirect(toprint)
+                except:
+                    print(toprint)
                                 
         def spawn(self):
             # Save everything that would otherwise go to stdout.