From cacddb9abbecaa2d5523e7f47267043f190139aa Mon Sep 17 00:00:00 2001
From: Ivan Kravets <me@ikravets.com>
Date: Wed, 28 Oct 2020 22:33:24 +0200
Subject: [PATCH] Support package packing on the Python 3+ only

---
 platformio/package/pack.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/platformio/package/pack.py b/platformio/package/pack.py
index 4aad832b..ebdca496 100644
--- a/platformio/package/pack.py
+++ b/platformio/package/pack.py
@@ -20,6 +20,7 @@ import tarfile
 import tempfile
 
 from platformio import fs
+from platformio.compat import ensure_python3
 from platformio.package.exception import PackageException
 from platformio.package.manifest.parser import ManifestFileType, ManifestParserFactory
 from platformio.package.manifest.schema import ManifestSchema
@@ -91,6 +92,7 @@ class PackagePacker(object):
     ]
 
     def __init__(self, package, manifest_uri=None):
+        assert ensure_python3()
         self.package = package
         self.manifest_uri = manifest_uri