ovs.jsonrpc: Fix static method Message.__validate_arg reference to 'self'.

This method needs to be an instance method because it refers to 'self'.

Found by pychecker.

1 files changed, 6 insertions, 7 deletions

diff --git a/python/ovs/jsonrpc.py b/python/ovs/jsonrpc.py
index da7fa084b..f10a0da1b 100644
--- a/python/ovs/jsonrpc.py
+++ b/python/ovs/jsonrpc.py
@@ -72,8 +72,7 @@ class Message(object):
     def type_to_string(type_):
         return Message.__types[type_]
 
-    @staticmethod
-    def __validate_arg(value, name, must_have):
+    def __validate_arg(self, value, name, must_have):
         if (value is not None) == (must_have != 0):
             return None
         else:
@@ -96,11 +95,11 @@ class Message(object):
             return "invalid JSON-RPC message type %s" % self.type
 
         return (
-            Message.__validate_arg(self.method, "method", pattern & 0x10000) or
-            Message.__validate_arg(self.params, "params", pattern & 0x1000) or
-            Message.__validate_arg(self.result, "result", pattern & 0x100) or
-            Message.__validate_arg(self.error, "error", pattern & 0x10) or
-            Message.__validate_arg(self.id, "id", pattern & 0x1))
+            self.__validate_arg(self.method, "method", pattern & 0x10000) or
+            self.__validate_arg(self.params, "params", pattern & 0x1000) or
+            self.__validate_arg(self.result, "result", pattern & 0x100) or
+            self.__validate_arg(self.error, "error", pattern & 0x10) or
+            self.__validate_arg(self.id, "id", pattern & 0x1))
 
     @staticmethod
     def from_json(json):