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diff --git a/‎test/lib/helper.py
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+12-3Lines changed: 12 additions & 3 deletions b/‎test/lib/helper.py
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+12-3Lines changed: 12 additions & 3 deletions
diff --git a/‎test/test_index.py
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+1-1Lines changed: 1 addition & 1 deletion b/‎test/test_index.py
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+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎test/test_installation.py
Copy file name to clipboardExpand all lines: test/test_installation.py
+1-1Lines changed: 1 addition & 1 deletion b/‎test/test_installation.py
Copy file name to clipboardExpand all lines: test/test_installation.py
+1-1Lines changed: 1 addition & 1 deletion
@@ -10,6 +10,8 @@
 import logging
 import os
 import os.path as osp
+import subprocess
+import sys
 import tempfile
 import textwrap
 import time
@@ -403,13 +405,20 @@ class VirtualEnvironment:
 
     __slots__ = ("_env_dir",)
 
-    def __init__(self, env_dir, *, need_pip):
+    def __init__(self, env_dir, *, with_pip):
         if os.name == "nt":
             self._env_dir = osp.realpath(env_dir)
-            venv.create(self.env_dir, symlinks=False, with_pip=need_pip, upgrade_deps=need_pip)
+            venv.create(self.env_dir, symlinks=False, with_pip=with_pip)
         else:
             self._env_dir = env_dir
-            venv.create(self.env_dir, symlinks=True, with_pip=need_pip, upgrade_deps=need_pip)
+            venv.create(self.env_dir, symlinks=True, with_pip=with_pip)
+
+        if with_pip:
+            # The upgrade_deps parameter to venv.create is 3.9+ only, so do it this way.
+            command = [self.python, "-m", "pip", "install", "--upgrade", "pip"]
+            if sys.version_info < (3, 12):
+                command.append("setuptools")
+            subprocess.check_output(command)
 
     @property
     def env_dir(self):
 
@@ -1060,7 +1060,7 @@ def test_hook_uses_shell_not_from_cwd(self, rw_dir, case):
         # from a venv may not run when copied outside of it, and a global interpreter
         # won't run when copied to a different location if it was installed from the
         # Microsoft Store. So we make a new venv in rw_dir and use its interpreter.
-        venv = VirtualEnvironment(rw_dir, need_pip=False)
+        venv = VirtualEnvironment(rw_dir, with_pip=False)
         shutil.copy(venv.python, Path(rw_dir, shell_name))
         shutil.copy(fixture_path("polyglot"), hook_path("polyglot", repo.git_dir))
         payload = Path(rw_dir, "payload.txt")
 
@@ -64,7 +64,7 @@ def test_installation(self, rw_dir):
 
     @staticmethod
     def _set_up_venv(rw_dir):
-        venv = VirtualEnvironment(rw_dir, need_pip=True)
+        venv = VirtualEnvironment(rw_dir, with_pip=True)
         os.symlink(
             os.path.dirname(os.path.dirname(__file__)),
             venv.sources,