Issue #12400: remove unused variable

Lib/test/regrtest.py

@@ -159,7 +159,6 @@ import json
 import os
 import random
 import re
-import io
 import sys
 import time
 import errno
@@ -973,10 +972,6 @@ class saved_test_environment:
 def runtest_inner(test, verbose, quiet,
                   huntrleaks=False, debug=False, display_failure=True):
     support.unload(test)
-    if verbose:
-        capture_stdout = None
-    else:
-        capture_stdout = io.StringIO()
 
     test_time = 0.0
     refleak = False  # True if the test leaked references.