Signed-off-by: itoyuichi <[email protected]>
---
ryu/lib/packet/ipv6.py | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/ryu/lib/packet/ipv6.py b/ryu/lib/packet/ipv6.py
index ca5793d..4131491 100644
--- a/ryu/lib/packet/ipv6.py
+++ b/ryu/lib/packet/ipv6.py
@@ -68,7 +68,7 @@ class ipv6(packet_base.PacketBase):
return _register_header_type
def __init__(self, version, traffic_class, flow_label, payload_length,
- nxt, hop_limit, src, dst, ext_hdrs=[]):
+ nxt, hop_limit, src, dst, ext_hdrs=None):
super(ipv6, self).__init__()
self.version = version
self.traffic_class = traffic_class
@@ -78,10 +78,10 @@ class ipv6(packet_base.PacketBase):
self.hop_limit = hop_limit
self.src = src
self.dst = dst
- if ext_hdrs:
- assert isinstance(ext_hdrs, list)
- for ext_hdr in ext_hdrs:
- assert isinstance(ext_hdr, header)
+ ext_hdrs = ext_hdrs or []
+ assert isinstance(ext_hdrs, list)
+ for ext_hdr in ext_hdrs:
+ assert isinstance(ext_hdr, header)
self.ext_hdrs = ext_hdrs
@classmethod
--
1.7.10.4
------------------------------------------------------------------------------
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