fix missing dask?

Author: lithomas1

setup.py

@@ -1,4 +1,4 @@
-from setuptools import setup, find_packages
+from setuptools import setup, find_packages, find_namespace_packages
 
 with open("README.md", "r") as fh:
     long_description = fh.read()
@@ -8,7 +8,7 @@
 setup(
     name='array_api_compat',
     version=array_api_compat.__version__,
-    packages=find_packages(include=['array_api_compat*']),
+    packages=find_packages(include=['array_api_compat*'] + find_namespace_packages(include=["array_api_compat*"])),
     author="Consortium for Python Data API Standards",
     description="A wrapper around NumPy and other array libraries to make them compatible with the Array API standard",
     long_description=long_description,