find_packages did install unwanted files!!!!

setup.py

@@ -13,7 +13,13 @@ setup(name="freeopcua",
       author="Olivier Roulet-Dubonnet",
       author_email="olivier.roulet@gmail.com",
       url='http://freeopcua.github.io/',
-      packages=find_packages(exclude="schemas"),
+      packages=["opcua",
+                "opcua.client",
+                "opcua.server",
+                "opcua.server.standard_address_space",
+                "opcua.common",
+                "opcua.crypto",
+                "opcua.ua"],
       provides=["opcua"],
       license="GNU Lesser General Public License v3 or later",
       install_requires=install_requires,