FIx misc. source and comment typos

Found via `codespell -q 3 -S ./3rdparty,./modules -L amin,ang,atleast,dof,endwhile,hist,uint`

samples/python/tutorial_code/imgProc/threshold_inRange/threshold_inRange.py

@@ -66,7 +66,7 @@ def on_high_V_thresh_trackbar(val):
     cv.setTrackbarPos(high_V_name, window_detection_name, high_V)
 
 parser = argparse.ArgumentParser(description='Code for Thresholding Operations using inRange tutorial.')
-parser.add_argument('--camera', help='Camera devide number.', default=0, type=int)
+parser.add_argument('--camera', help='Camera divide number.', default=0, type=int)
 args = parser.parse_args()
 
 ## [cap]