fix optional dependencies

pyproject.toml

@@ -15,7 +15,7 @@ classifiers = [
 #    "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
 ]
-dynamic = ["version", "dependencies"]
+dynamic = ["version", "dependencies", "optional-dependencies"]
 
 [tool.setuptools.dynamic]
 dependencies = {file = ["requirements.txt"]}