Fix: Docs generation create temporary files that are not cleaned up.

doc/internals/time-coding.rst

@@ -535,3 +535,20 @@ To opt-out of timedelta decoding (see issue `Undesired decoding to timedelta64 <
 .. note::
     Note that in the future the default value of ``decode_timedelta`` will be
     ``False`` rather than ``None``.
+
+
+
+.. ipython:: python
+    :suppress:
+
+    # Cleanup
+    import os
+
+    for f in [
+        "test-datetimes1.nc",
+        "test-datetimes2.nc",
+        "test-timedeltas1.nc",
+        "test-timedeltas2.nc",
+    ]:
+        if os.path.exists(f):
+            os.remove(f)

doc/user-guide/io.rst

@@ -1356,7 +1356,10 @@ To export just the dataset schema without the data itself, use the
     # However, `ds` (rather than the unpickled dataset) refers to the open file.  Delete
     # `ds` to close the file.
     del ds
-    os.remove("saved_on_disk.nc")
+
+    for f in ["saved_on_disk.nc", "saved_on_disk.h5"]:
+        if os.path.exists(f):
+            os.remove(f)
 
 This can be useful for generating indices of dataset contents to expose to
 search indices or other automated data discovery tools.