Update setup.py

Author: laramiel

setup.py

@@ -345,7 +345,7 @@ def run(self):
 setuptools.setup(
     packages=setuptools.find_packages('python'),
     package_dir={'': 'python'},
-    exclude_package_data = {'': [ "*.h", "*.cc", "BUILD*", "**/tests/**" ]},
+    exclude_package_data = {'': [ "*.h", "*.cc", "BUILD*", "*.py" ]},
     ext_modules=[setuptools.Extension('tensorstore/_tensorstore', sources=[])],
     setup_requires=['setuptools_scm>=8.1.0'],
     cmdclass={