Switch to implicit (native) namespace for sphinxcontrib.

CHANGES.rst

@@ -3,6 +3,7 @@
 
 - Drop support for Python 2.7, 3.5, 3.6.
 - Add support for Python 3.9, 3.10, 3.11, 3.12.
+- Switch to implicit (native) namespace for ``sphinxcontrib``.
 
 
 1.6.0 (2020-04-17)

setup.py

@@ -1,7 +1,7 @@
 import os
 
 from io import open
-from setuptools import setup, find_packages
+from setuptools import setup
 
 
 here = os.path.dirname(__file__)
@@ -19,7 +19,7 @@
     keywords='sphinx openapi swagger rest api renderer docs redoc',
     author='Ihor Kalnytskyi',
     author_email='[email protected]',
-    packages=find_packages(exclude=['docs', 'tests*']),
+    packages=['sphinxcontrib.redoc'],
     include_package_data=True,
     zip_safe=False,
     use_scm_version=True,
@@ -47,5 +47,4 @@
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
     ],
-    namespace_packages=['sphinxcontrib'],
 )