14 files changed, 30 insertions, 14 deletions
diff --git a/testing/auto_namedtuple.py b/testing/auto_namedtuple.py
index 0841094..d5a4377 100644
--- a/testing/auto_namedtuple.py
+++ b/testing/auto_namedtuple.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import collections
 
 
diff --git a/testing/fixtures.py b/testing/fixtures.py
index f7def08..ef5a041 100644
--- a/testing/fixtures.py
+++ b/testing/fixtures.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import contextlib
 import os.path
 import shutil
diff --git a/testing/gen-languages-all b/testing/gen-languages-all
index 152cf3c..dfd92c0 100755
--- a/testing/gen-languages-all
+++ b/testing/gen-languages-all
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+from __future__ import annotations
+
 import sys
 
 LANGUAGES = [
diff --git a/testing/make-archives b/testing/make-archives
index ce098ba..1b825fe 100755
--- a/testing/make-archives
+++ b/testing/make-archives
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+from __future__ import annotations
+
 import argparse
 import gzip
 import os.path
@@ -6,7 +8,6 @@ import shutil
 import subprocess
 import tarfile
 import tempfile
-from typing import Optional
 from typing import Sequence
 
 
@@ -16,7 +17,7 @@ from typing import Sequence
 
 REPOS = (
     ('rbenv', 'https://github.com/rbenv/rbenv', '38e1fbb'),
-    ('ruby-build', 'https://github.com/rbenv/ruby-build', '8663d2f'),
+    ('ruby-build', 'https://github.com/rbenv/ruby-build', 'a5ca3e4'),
     (
         'ruby-download',
         'https://github.com/garnieretienne/rvm-download',
@@ -69,7 +70,7 @@ def make_archive(name: str, repo: str, ref: str, destdir: str) -> str:
     return output_path
 
 
-def main(argv: Optional[Sequence[str]] = None) -> int:
+def main(argv: Sequence[str] | None = None) -> int:
     parser = argparse.ArgumentParser()
     parser.add_argument('--dest', default='pre_commit/resources')
     args = parser.parse_args(argv)
diff --git a/testing/resources/python3_hooks_repo/.pre-commit-hooks.yaml b/testing/resources/python3_hooks_repo/.pre-commit-hooks.yaml
index 2c23700..964cf83 100644
--- a/testing/resources/python3_hooks_repo/.pre-commit-hooks.yaml
+++ b/testing/resources/python3_hooks_repo/.pre-commit-hooks.yaml
@@ -2,5 +2,4 @@
     name: Python 3 Hook
     entry: python3-hook
     language: python
-    language_version: python3
     files: \.py$
diff --git a/testing/resources/python_hooks_repo/foo.py b/testing/resources/python_hooks_repo/foo.py
index 9c4368e..40efde3 100644
--- a/testing/resources/python_hooks_repo/foo.py
+++ b/testing/resources/python_hooks_repo/foo.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import sys
 
 
diff --git a/testing/resources/python_hooks_repo/setup.py b/testing/resources/python_hooks_repo/setup.py
index 0559271..cff6cad 100644
--- a/testing/resources/python_hooks_repo/setup.py
+++ b/testing/resources/python_hooks_repo/setup.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from setuptools import setup
 
 setup(
diff --git a/testing/resources/python_venv_hooks_repo/foo.py b/testing/resources/python_venv_hooks_repo/foo.py
index 9c4368e..40efde3 100644
--- a/testing/resources/python_venv_hooks_repo/foo.py
+++ b/testing/resources/python_venv_hooks_repo/foo.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import sys
 
 
diff --git a/testing/resources/python_venv_hooks_repo/setup.py b/testing/resources/python_venv_hooks_repo/setup.py
index 0559271..cff6cad 100644
--- a/testing/resources/python_venv_hooks_repo/setup.py
+++ b/testing/resources/python_venv_hooks_repo/setup.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from setuptools import setup
 
 setup(
diff --git a/testing/util.py b/testing/util.py
index 283ed47..0dd1784 100644
--- a/testing/util.py
+++ b/testing/util.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import contextlib
 import os.path
 import subprocess
diff --git a/testing/zipapp/Dockerfile b/testing/zipapp/Dockerfile
index e21d5fe..7c74c1b 100644
--- a/testing/zipapp/Dockerfile
+++ b/testing/zipapp/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:bionic
+FROM ubuntu:focal
 RUN : \
     && apt-get update \
     && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
@@ -10,5 +10,5 @@ RUN : \
 
 ENV LANG=C.UTF-8 PATH=/venv/bin:$PATH
 RUN : \
-    && python3.6 -mvenv /venv \
+    && python3 -mvenv /venv \
     && pip install --no-cache-dir pip setuptools wheel no-manylinux --upgrade
diff --git a/testing/zipapp/entry b/testing/zipapp/entry
index 87f9291..15758d9 100755
--- a/testing/zipapp/entry
+++ b/testing/zipapp/entry
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+from __future__ import annotations
+
 import os.path
 import shutil
 import stat
@@ -59,10 +61,7 @@ def main() -> int:
     if sys.platform == 'win32':  # https://bugs.python.org/issue19124
         import subprocess
 
-        if sys.version_info < (3, 7):  # https://bugs.python.org/issue25942
-            return subprocess.Popen(cmd).wait()
-        else:
-            return subprocess.call(cmd)
+        return subprocess.call(cmd)
     else:
         os.execvp(cmd[0], cmd)
 
diff --git a/testing/zipapp/make b/testing/zipapp/make
index effc812..37b5c35 100755
--- a/testing/zipapp/make
+++ b/testing/zipapp/make
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+from __future__ import annotations
+
 import argparse
 import base64
 import hashlib
diff --git a/testing/zipapp/python b/testing/zipapp/python
index 7184a1a..67910fc 100755
--- a/testing/zipapp/python
+++ b/testing/zipapp/python
@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 """A shim executable to put dependencies on sys.path"""
+from __future__ import annotations
+
 import argparse
 import os.path
 import runpy
@@ -36,10 +38,7 @@ def main() -> int:
         if sys.platform == 'win32':  # https://bugs.python.org/issue19124
             import subprocess
 
-            if sys.version_info < (3, 7):  # https://bugs.python.org/issue25942
-                return subprocess.Popen(cmd).wait()
-            else:
-                return subprocess.call(cmd)
+            return subprocess.call(cmd)
         else:
             os.execvp(cmd[0], cmd)