Try setting directory to fix error for windows PermissionError: [Errn…

…o 13] Permission denied

example/test_examples.py

@@ -62,7 +62,7 @@ def _notebook_run(self, path):
         """
         dirname, __ = os.path.split(path)
         os.chdir(dirname)
-        with tempfile.NamedTemporaryFile(suffix=".ipynb") as fout:
+        with tempfile.NamedTemporaryFile(suffix=".ipynb", dir=dirname) as fout:
             args = [
                 "jupyter",
                 "nbconvert",