Deprecate with a 3rd party module compatible with earlier Python version instead of a Python 3.13-dependent solution

Author: Ickerday

pyproject.toml

@@ -29,7 +29,10 @@ classifiers = [
   "Topic :: Software Development :: Libraries :: Application Frameworks",
 ]
 
-dependencies = ["python-dotenv>=0.21.1"]
+dependencies = [
+    "deprecated>=1.3.1",
+    "python-dotenv>=0.21.1",
+]
 optional-dependencies = { compat = ["six>=1.17.0"] }
 
 [dependency-groups]

splunklib/client.py

@@ -65,7 +65,8 @@
 from datetime import datetime, timedelta
 from time import sleep
 from urllib import parse
-from warnings import deprecated
+
+from deprecated import deprecated
 
 from . import data
 from .binding import (
@@ -2007,8 +2008,8 @@ def clear_password(self):
 
     @property
     @deprecated(
-        "To improve security, this field now returns an empty \
-        string and will be removed from Splunk in a future release."
+        version="2.2.0",
+        reason="To improve security, this field now returns an empty string and will be removed from Splunk in a future release.",
     )
     def encrypted_password(self):
         return self.content.get("encr_password")