import sys before we use it on line 9 (#828)

diff --git a/Lib/idlelib/pyshell.py b/Lib/idlelib/pyshell.py
index f3ee391ca006fc8b44ef29c7e28540cff5fb500a..dd6c997abc587bb86d88259627041721d3ea398f 100755 (executable)
--- a/Lib/idlelib/pyshell.py
+++ b/Lib/idlelib/pyshell.py
@@ -1,5 +1,7 @@
 #! /usr/bin/env python3
 
+import sys
+
 try:
     from tkinter import *
 except ImportError:
@@ -25,7 +27,6 @@ from platform import python_version, system
 import re
 import socket
 import subprocess
-import sys
 import threading
 import time
 import tokenize