[python] Update setup.py.in for dune 2.9

python/setup.py.in

 from setuptools import setup
 
+REQUIRED_PACKAGES = '${RequiredPythonModules}'.replace(';',' ').split(' ')
+
 setup(
     name="${ProjectName}",
     description="${ProjectDescription}",
@@ -9,5 +11,6 @@ setup(
     packages=["dumux"],
     zip_safe=0,
     package_data={"": ["*.so"]},
-    install_requires="${ProjectPythonRequires}".split(" "),
+    install_requires=REQUIRED_PACKAGES,
+    include_package_data=True,
 )