Using mutable values as default arguments will cause unexpected behavior.
Signed-off-by: Satoshi Fujimoto <satoshi.fujimo...@gmail.com>
---
ryu/services/protocols/ovsdb/client.py | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/ryu/services/protocols/ovsdb/client.py
b/ryu/services/protocols/ovsdb/client.py
index d0ec5b0..68d6866 100644
--- a/ryu/services/protocols/ovsdb/client.py
+++ b/ryu/services/protocols/ovsdb/client.py
@@ -286,7 +286,8 @@ class RemoteOvsdb(app_manager.RyuApp):
@classmethod
def factory(cls, sock, address, probe_interval=None, min_backoff=None,
max_backoff=None, schema_tables=None,
- schema_exclude_columns={}, *args, **kwargs):
+ schema_exclude_columns=None, *args, **kwargs):
+ schema_exclude_columns = schema_exclude_columns or {}
ovs_stream = stream.Stream(sock, None, None)
connection = jsonrpc.Connection(ovs_stream)
schemas = discover_schemas(connection)
--
2.7.4
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