fixes optional deps

Author: WolfgangFahl

pyproject.toml

@@ -65,7 +65,7 @@ classifiers=[
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
-    "Programming Language :: Python :: 3.13"
+    "Programming Language :: Python :: 3.13",
     "Operating System :: OS Independent",
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Intended Audience :: Developers",