Do not include tests in package

Addresses #1854

Author: Balandat

setup.py

@@ -53,7 +53,7 @@ def find_version(*file_paths):
     },
     license="MIT",
     classifiers=["Development Status :: 4 - Beta", "Programming Language :: Python :: 3"],
-    packages=find_packages(),
+    packages=find_packages(exclude=["test", "test.*"]),
     python_requires=">=3.6",
     install_requires=install_requires,
     extras_require={