Mean bug when switching mode while auto-clocking, fixed

Author: psychogenic

src/ttboard/demoboard.py

@@ -178,7 +178,7 @@ def mode(self):
     def mode(self, setTo:int):
         if self.mode != setTo:
             if self.is_auto_clocking:
-                autoClockFreq = self.auto_clocking_freq()
+                autoClockFreq = self.auto_clocking_freq
                 self.clock_project_stop()
                 log.warn(f'Was auto-clocking @ {autoClockFreq} but stopping for mode change')