Add delay to fix incorrect capturing of LEFTSHIFT key presses

See GitHub issue for more details:
gvalkov/python-evdev#209

Author: mroavi

onthefly/onthefly.py

@@ -66,14 +66,17 @@ def read_config_keyboard_device_path(filepath):
 
 def simulate_key(ui, code, keystate):
     ui.write(ecodes.EV_KEY, code, keystate)
+    time.sleep(0.005) # TEMP: fixes bug (see: https://github.com/gvalkov/python-evdev/issues/209)
     ui.syn()
 
 def simulate_key_press(ui, code):
     ui.write(ecodes.EV_KEY, code, 1)
+    time.sleep(0.005) # TEMP: fixes bug (see: https://github.com/gvalkov/python-evdev/issues/209)
     ui.syn()
 
 def simulate_key_release(ui, code):
     ui.write(ecodes.EV_KEY, code, 0)
+    time.sleep(0.005) # TEMP: fixes bug (see: https://github.com/gvalkov/python-evdev/issues/209)
     ui.syn()
 
 def simulate_key_stroke(ui, code):