pw_env_setup: Relax Python version requirements

Bug: project-chip/connectedhomeip#16664
Change-Id: I6ea98e40269f357f2ce16e39bc21b9a294cfb1c8
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/93722
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Pigweed-Auto-Submit: Rob Mohr <mohrr@google.com>
Reviewed-by: Anthony DiGirolamo <tonymd@google.com>

pw_env_setup/py/pw_env_setup/virtualenv_setup/install.py

@@ -166,9 +166,7 @@ def install(  # pylint: disable=too-many-arguments
 
     version = subprocess.check_output(
         (python, '--version'), stderr=subprocess.STDOUT).strip().decode()
-    # We expect Python 3.8, but if it came from CIPD let it pass anyway.
-    if ('3.8' not in version and '3.9' not in version
-            and 'chromium' not in version):
+    if ' 3.' not in version:
         print('=' * 60, file=sys.stderr)
         print('Unexpected Python version:', version, file=sys.stderr)
         print('=' * 60, file=sys.stderr)