#NEWLINE# def clear_shots( self ) : #NEWLINE# #INDENT# self . _webcam_canvas . delete ( SHOT_MARKER ) #NEWLINE# self . _shots = [ ] #NEWLINE# self . _shot_timer_start = None #NEWLINE# shot_entries = self . _shot_timer_tree . get_children ( ) #NEWLINE# for shot in shot_entries : #NEWLINE# #INDENT# if self . _shot_timer_tree . exists ( shot ) : #NEWLINE# #INDENT# self . _shot_timer_tree . delete ( shot_entries ) #NEWLINE# #UNINDENT# #UNINDENT# self . _previous_shot_time_selection = None #NEWLINE# self . _webcam_canvas . focus_set ( )