fix windows usage

Author: blink1073

jupyter_releaser/lib.py

@@ -49,7 +49,8 @@ def check_links(ignore_glob, ignore_links, cache_file, links_expire):
     """Check URLs for HTML-containing files."""
     cache_dir = osp.expanduser(cache_file).replace(os.sep, "/")
     os.makedirs(cache_dir, exist_ok=True)
-    cmd = f"{sys.executable} -m pytest --noconftest --check-links --check-links-cache "
+    python = sys.executable.replace(os.sep, "/")
+    cmd = f"{python} -m pytest --noconftest --check-links --check-links-cache "
     cmd += f"--check-links-cache-expire-after {links_expire} "
     cmd += "--disable-warnings --quiet "
     cmd += f"--check-links-cache-name {cache_dir}/check-release-links "