remove an obsolete comment
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
index f713fc6..3884488 100644
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -754,7 +754,6 @@
class _TestExecuteChildPopen(subprocess.Popen):
"""Used to test behavior at the end of _execute_child."""
def __init__(self, testcase, *args, **kwargs):
- # Do nothing so we can modify the instance for testing.
self._testcase = testcase
subprocess.Popen.__init__(self, *args, **kwargs)