...and make sure it can't get stuck on

in case someone sets opts.memmon_poll_rate to 0 during generation

modules/ui.py

@@ -119,7 +119,8 @@ def save_files(js_data, images, index):
 
 def wrap_gradio_call(func):
     def f(*args, **kwargs):
-        if opts.memmon_poll_rate > 0 and not shared.mem_mon.disabled:
+        run_memmon = opts.memmon_poll_rate > 0 and not shared.mem_mon.disabled
+        if run_memmon:
             shared.mem_mon.monitor()
         t = time.perf_counter()
 
@@ -137,7 +138,7 @@ def wrap_gradio_call(func):
 
         elapsed = time.perf_counter() - t
 
-        if opts.memmon_poll_rate > 0 and not shared.mem_mon.disabled:
+        if run_memmon:
             mem_stats = {k: -(v//-(1024*1024)) for k, v in shared.mem_mon.stop().items()}
             active_peak = mem_stats['active_peak']
             reserved_peak = mem_stats['reserved_peak']