In that case, there is no echo anyway. So the prompt is just
garbage.

Signed-off-by: Damien Hedde <damien.hedde@greensocs.com>
---
 python/qemu/aqmp/qmp_shell.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/python/qemu/aqmp/qmp_shell.py b/python/qemu/aqmp/qmp_shell.py
index d11bf54b00..a6e0f5af42 100644
--- a/python/qemu/aqmp/qmp_shell.py
+++ b/python/qemu/aqmp/qmp_shell.py
@@ -367,6 +367,8 @@ def prompt(self) -> str:
         """
         Return the current shell prompt, including a trailing space.
         """
+        if not sys.stdin.isatty():
+            return ""
         if self._transmode:
             return 'TRANS> '
         return '(QEMU) '
-- 
2.35.1