From 07f0fa3ee91c44275fafc208626e5b21b026bb17 Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Mon, 19 Feb 2018 17:57:18 -0500
Subject: [PATCH] qapi: Invoke exception superclass initializer

pylint recommends that every exception class should explicitly
invoke the superclass __init__, even though things seem to work
fine without it.

Backports commit 59b00542659c8947f9d4e8c28d2d528ab3ab61a5 from qemu
---
 qemu/scripts/qapi.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/qemu/scripts/qapi.py b/qemu/scripts/qapi.py
index a505dd7e..8d9ed47d 100644
--- a/qemu/scripts/qapi.py
+++ b/qemu/scripts/qapi.py
@@ -81,6 +81,7 @@ def error_path(parent):
 
 class QAPISchemaError(Exception):
     def __init__(self, schema, msg):
+        Exception.__init__(self)
         self.fname = schema.fname
         self.msg = msg
         self.col = 1
@@ -98,6 +99,7 @@ class QAPISchemaError(Exception):
 
 class QAPIExprError(Exception):
     def __init__(self, expr_info, msg):
+        Exception.__init__(self)
         self.info = expr_info
         self.msg = msg