1 files changed, 12 insertions, 1 deletions
diff --git a/Lib/test/test_pyrepl/support.py b/Lib/test/test_pyrepl/support.py
index 58b1a92d68b..cb5cb4ab20a 100644
--- a/Lib/test/test_pyrepl/support.py
+++ b/Lib/test/test_pyrepl/support.py
@@ -1,3 +1,4 @@
+import os
 from code import InteractiveConsole
 from functools import partial
 from typing import Iterable
@@ -100,8 +101,18 @@ handle_events_narrow_console = partial(
 )
 
 
+def make_clean_env() -> dict[str, str]:
+    clean_env = os.environ.copy()
+    for k in clean_env.copy():
+        if k.startswith("PYTHON"):
+            clean_env.pop(k)
+    clean_env.pop("FORCE_COLOR", None)
+    clean_env.pop("NO_COLOR", None)
+    return clean_env
+
+
 class FakeConsole(Console):
-    def __init__(self, events, encoding="utf-8"):
+    def __init__(self, events, encoding="utf-8") -> None:
         self.events = iter(events)
         self.encoding = encoding
         self.screen = []