[dts] [PATCH V1] framework/utils: add verify subclazz.__bases__ is not None or empty

[Zeng, XiaoxiaoX]

Tested-by:  Zeng,xiaoxiaoX <xiaoxiaox.zeng at intel.com>

-----Original Message-----
From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of Xiao Qimai
Sent: Thursday, October 17, 2019 3:27 PM
To: dts at dpdk.org
Cc: Xiao, QimaiX <qimaix.xiao at intel.com>
Subject: [dts] [PATCH V1] framework/utils: add verify subclazz.__bases__ is not None or empty

in scapy 2.4.3, when import scapy.all import * in testsuit will cause error, subclazz.__bases__ can't be None or empty in this if sentence

Signed-off-by: Xiao Qimai <qimaix.xiao at intel.com>
---
 framework/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/framework/utils.py b/framework/utils.py index 8f5a233..516dc91 100644
--- a/framework/utils.py
+++ b/framework/utils.py
@@ -195,7 +195,7 @@ def get_subclasses(module, clazz):
     Get module attribute name and attribute.
     """
     for subclazz_name, subclazz in inspect.getmembers(module):
-        if hasattr(subclazz, '__bases__') and clazz in subclazz.__bases__:
+        if hasattr(subclazz, '__bases__') and subclazz.__bases__ and clazz in subclazz.__bases__:
             yield (subclazz_name, subclazz)
 
 
--
1.8.3.1