A bit more idiomatic, and quiets some linter warnings.

Signed-off-by: John Snow <jsnow@redhat.com>
---
 scripts/qmp/qmp-shell | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/qmp/qmp-shell b/scripts/qmp/qmp-shell
index bf7a49dfc1..970f43dd00 100755
--- a/scripts/qmp/qmp-shell
+++ b/scripts/qmp/qmp-shell
@@ -195,13 +195,13 @@ class QMPShell(qmp.QEMUMonitorProtocol):
             for path in optpath[:-1]:
                 curpath.append(path)
                 obj = parent.get(path, {})
-                if type(obj) is not dict:
+                if not isinstance(obj, dict):
                     msg = 'Cannot use "{:s}" as both leaf and non-leaf key'
                     raise QMPShellError(msg.format('.'.join(curpath)))
                 parent[path] = obj
                 parent = obj
             if optpath[-1] in parent:
-                if type(parent[optpath[-1]]) is dict:
+                if isinstance(parent[optpath[-1]], dict):
                     msg = 'Cannot use "{:s}" as both leaf and non-leaf key'
                     raise QMPShellError(msg.format('.'.join(curpath)))
                 raise QMPShellError(f'Cannot set "{key}" multiple times')
-- 
2.31.1