Renamed cli.set_exit to cli.exit (Change in prompt-toolkit.)

Author: jonathanslenders

ptpython/key_bindings.py

@@ -204,7 +204,7 @@ def _(event):
         """
         Really quit.
         """
-        event.cli.set_exit()
+        event.cli.exit()
 
     @handle(Keys.Any, filter=confirmation_visible)
     def _(event):

ptpython/repl.py

@@ -98,7 +98,7 @@ def compile_with_flags(code, mode):
 
         if line.lstrip().startswith('\x1a'):
             # When the input starts with Ctrl-Z, quit the REPL.
-            cli.set_exit()
+            cli.exit()
 
         elif line.lstrip().startswith('!'):
             # Run as shell command