Fix windows paths

setup.py

@@ -15,6 +15,7 @@
 
 from codecs import open
 from os.path import dirname, join, realpath
+from pathlib import Path
 
 from setuptools import find_packages, setup
 
@@ -73,7 +74,7 @@
         # because of an upload-size limit by PyPI, we're temporarily removing docs from the tarball.
         # Also see MANIFEST.in
         # package_data={'docs': ['*']},
-        package_dir={pkg: pkg[5:].replace(".", "/") for pkg in tests},
+        package_dir={pkg: str(Path(pkg[5:].replace(".", "/"))) for pkg in tests},
         classifiers=classifiers,
         python_requires=">=3.8",
         install_requires=install_reqs,