python-common/deployment: fix string that should not be an f-string

Fix a string that should not be an f-string by removing the f-string
(f) prefix. Error found by newer python/flake8 version.

Part of an effort to get ceph tox environments passing on Python 3.12.

Signed-off-by: John Mulligan <jmulligan@redhat.com>

diff --git a/src/python-common/ceph/deployment/service_spec.py b/src/python-common/ceph/deployment/service_spec.py
index b1a8b8eda3627d17293b6f39800a38b0aa8fe202..c05255e761192ee9abaa860b2a46d029a39ceb6d 100644 (file)
--- a/src/python-common/ceph/deployment/service_spec.py
+++ b/src/python-common/ceph/deployment/service_spec.py
@@ -701,7 +701,7 @@ class ArgumentSpec:
         if isinstance(data, str):
             return cls(data, split=True, origin=cls.OriginalType.STRING)
         if 'argument' not in data:
-            raise SpecValidationError(f'ArgumentSpec must have an "argument" field')
+            raise SpecValidationError('ArgumentSpec must have an "argument" field')
         for k in data.keys():
             if k not in cls._fields:
                 raise SpecValidationError(f'ArgumentSpec got an unknown field {k!r}')