1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/support.py b/Lib/test/support.py
index 842cda6..3353053 100644
--- a/Lib/test/support.py
+++ b/Lib/test/support.py
@@ -10,6 +10,7 @@ import gc
 import socket
 import sys
 import os
+import re
 import platform
 import shutil
 import warnings
@@ -1056,3 +1057,13 @@ def reap_children():
                     break
             except:
                 break
+
+def strip_python_stderr(stderr):
+    """Strip the stderr of a Python process from potential debug output
+    emitted by the interpreter.
+
+    This will typically be run on the result of the communicate() method
+    of a subprocess.Popen object.
+    """
+    stderr = re.sub(br"\[\d+ refs\]\r?\n?$", b"", stderr).strip()
+    return stderr