rofi stopps to this i my workaround

rofi.py

import time

from autopilot.input import Mouse
# mouse.click_absolute(1, 1, 1) # <== dosent work
mouseObj = Mouse.create()
x1, y1 = mouseObj.position()
time.sleep(.2)
mouseObj.move(0, 0, 0)
mouseObj.move(-1, 0, 0)
# keyboard.wait_for_keypress("<space>" , 5) # 2 second timeout
time.sleep(3)
mouseObj = Mouse.create()
mouseObj.move(x1, y1, 0)
quit()



# This script starts an external window manager
# and automatically switches to an older
# , previous window if no window has been changed after two seconds.

# its using as external window manager rofi: 
# https://github.com/davatorium/rofi/issues/1211
# https://askubuntu.com/questions/1281728/assign-shortcut-key-alttab-to-run-a-script-in-kubuntu-from-ubunto

# importend hints:
# wmctrl:
# https://askubuntu.com/questions/961082/command-to-switch-to-next-previous-application
# http://manpages.ubuntu.com/manpages/xenial/en/man1/wmctrl.1.html#examples
# Going to the window with a name containing 'emacs' in it
# wmctrl -a emacs           
            
import os, subprocess, time  


# import threading
def popupNotify(text):
    subprocess.Popen(['notify-send', text])  # will be showed right top

# threadLock = threading.Lock()
# with threadLock:
    # global_counter += 1



# global counter
# if counter is None:
#    counter = 1
#    popupNotify("1 counter = " + str(counter)) 
# popupNotify("2 counter = " + str(counter)) 



# popupNotify("start change window") 
if False:
    winTitle = window.get_active_title() # e.g. Plasma
    winClass = window.get_active_class() # e.g. plasmashell.plasmashell

myCmd = '~/sh/rofi.sh &' # & this doesn't blocks!
os.system(myCmd)

time.sleep(1)
winTitle2 = window.get_active_title() # Plasma
winClass2 = window.get_active_class() # plasmashell.plasmashell
# following workaround dont work:
if False and winTitle2 == winTitle and winClass2 == winClass:
    # keyboard.send_key("<super>+<tab>")
    keyboard.press_key('<super>')
    time.sleep(.2)
    # keyboard.send_key("<tab>")
    keyboard.press_key('<tab>')
    time.sleep(.2)
    keyboard.release_key('<tab>') 
    # time.sleep(.2)
    keyboard.release_key('<super>') 
    popupNotify("not changed window")

        # time.sleep(2) 
# keyboard.send_key("<down>")
# keyboard.send_key("<down>")