add flushing of stdout to update on key event

Doing this as a demo for UC Berkeley Practical Neuroimaging class on contributing to open source while getting your work done
huangyingw · Mar 22, 2013 · d8430fd · d8430fd
1 parent 8ec9555
commit d8430fd
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/examples/event_handling/keypress_demo.py b/examples/event_handling/keypress_demo.py
@@ -4,12 +4,14 @@
 Show how to connect to keypress events
 """
 from __future__ import print_function
+import sys
 import numpy as np
 import matplotlib.pyplot as plt
 
 
 def press(event):
     print('press', event.key)
+    sys.stdout.flush()
     if event.key=='x':
         visible = xl.get_visible()
         xl.set_visible(not visible)