From 62ee8066c2e0bd3c3c2f321a1b84c4b56a4378ef Mon Sep 17 00:00:00 2001
From: Ivan Kravets <me@ikravets.com>
Date: Wed, 27 Dec 2017 22:05:56 +0200
Subject: [PATCH] Handle incompatibility between PIO Core and PIO Core+

---
 platformio/managers/core.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/platformio/managers/core.py b/platformio/managers/core.py
index 5b5529b0..42a6c775 100644
--- a/platformio/managers/core.py
+++ b/platformio/managers/core.py
@@ -75,7 +75,8 @@ class CorePackageManager(PackageManager):
 
 
 def get_core_package_dir(name):
-    assert name in CORE_PACKAGES
+    if name not in CORE_PACKAGES:
+        raise exception.PlatformioException("Please upgrade PIO Core")
     requirements = CORE_PACKAGES[name]
     pm = CorePackageManager()
     pkg_dir = pm.get_package_dir(name, requirements)