commit 7e4db2f253c555568d56177c2fd083bcf8f88d34
author Serhiy Storchaka <storchaka@gmail.com> Thu May 04 08:17:47 2017 +0300
committer GitHub <noreply@github.com> Thu May 04 08:17:47 2017 +0300
tree aa2606f09d5b1095bb20573ed6b0be38ca4d6f33
parent 1c4670ea0cc3d208121af11b9b973e6bb268e570

bpo-30166: Import command-line parsing modules only when needed. (#1293)

Lib/doctest.py

diff --git a/Lib/doctest.py b/Lib/doctest.py
index 0b78544..5e5bc21 100644
--- a/Lib/doctest.py
+++ b/Lib/doctest.py
@@ -93,7 +93,6 @@
 ]
 
 import __future__
-import argparse
 import difflib
 import inspect
 import linecache
@@ -2741,6 +2740,8 @@
 
 
 def _test():
+    import argparse
+
     parser = argparse.ArgumentParser(description="doctest runner")
     parser.add_argument('-v', '--verbose', action='store_true', default=False,
                         help='print very verbose output for all tests')