used uv command to check python version

src/taskgraph/run-task/run-task

@@ -1028,10 +1028,25 @@ def install_pip_requirements(repositories):
     run_required_command(b"pip-install", cmd)
 
 
-def _display_python_version():
+def _display_python_versions():
     print_line(
         b"setup", b"Python version: %s\n" % platform.python_version().encode("utf-8")
     )
+
+    print_line(b"setup", b"Subprocess python version: " + b"\n")
+
+    try:
+        subprocess.run(["uv", "python", "list","--no-cache","--only-installed"], check=True)
+
+    except (FileNotFoundError, subprocess.CalledProcessError):
+
+        python_versions = ["python","python3"]
+
+        for python_executable in python_versions:
+            try:
+                subprocess.run([python_executable, "-c", "import platform; print(platform.python_version())"], check=True)
+            except FileNotFoundError:
+                pass
 
 
 def main(args):
@@ -1044,7 +1059,7 @@ def main(args):
         b"setup",
         b"Invoked by command: %s\n" % " ".join(args).encode("utf-8"),
     )
-    _display_python_version()
+    _display_python_versions()
     running_as_root = IS_POSIX and os.getuid() == 0
 
     # Arguments up to '--' are ours. After are for the main task

test/test_scripts_run_task.py

@@ -426,16 +426,19 @@ def test_git_checkout_with_commit(
 def test_display_python_version_should_output_python_versions_title(
     run_task_mod, capsys
 ):
-    run_task_mod._display_python_version()
+    run_task_mod._display_python_versions()
 
-    assert ("Python version:" in capsys.readouterr().out) is True
+    output = capsys.readouterr().out
+    assert ("Python version:" in output) is True
+    assert "Subprocess" in output and "version:" in output
 
 
 def test_display_python_version_should_output_python_versions(run_task_mod, capsys):
-    run_task_mod._display_python_version()
+    run_task_mod._display_python_versions()
 
     output = capsys.readouterr().out
     assert ("Python version: 3." in output) or ("Python version: 2." in output) is True
+    assert "Subprocess" in output and "version:" in output
 
 
 @pytest.fixture