use close instead of stop when vim is closing

fixes #341

Signed-off-by: BlackEagle <ike.devolder@gmail.com>

Author: BlackIkeEagle

plugin/vdebug.vim

@@ -302,7 +302,6 @@ function! Vdebug_statusline()
 endfunction
 
 silent doautocmd User VdebugPost
-autocmd VimLeavePre * python3 debugger.close()
 
 call Vdebug_load_options(g:vdebug_options)
 call Vdebug_load_keymaps(g:vdebug_keymap)

pythonx/vdebug/debugger_interface.py

@@ -19,7 +19,7 @@ def __init__(self):
         self.event_dispatcher = event.Dispatcher(self.session_handler)
 
     def __del__(self):
-        self.session_handler.stop()
+        self.session_handler.close()
         self.session_handler = None
 
     @staticmethod