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-rw-r--r--Lib/test/test_venv.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/test/test_venv.py b/Lib/test/test_venv.py
index bc210aa..ea49f6e 100644
--- a/Lib/test/test_venv.py
+++ b/Lib/test/test_venv.py
@@ -291,6 +291,10 @@ class EnsurePipTest(BaseTest):
# warnings in current versions of Python. Ensure related
# environment settings don't cause venv to fail.
envvars["PYTHONWARNINGS"] = "e"
+ # pip doesn't ignore environment variables when running in
+ # isolated mode, and we don't have an active virtualenv here
+ # See http://bugs.python.org/issue19734 for details
+ del envvars["PIP_REQUIRE_VIRTUALENV"]
try:
self.run_with_capture(venv.create, self.env_dir, with_pip=True)
except subprocess.CalledProcessError as exc: