Minor update in dev HowTo
I was getting an error `zsh: no matches found: -glob=*/tests` while testing doc strings. This was the solution I found after some searching, so adding it. I don't understand the issue though...
@@ -221,6 +221,12 @@ following command.
pytest --doctest-modules --ignore-glob=*/tests gammapy
+If you get a zsh error try using putting the ignore block inside quotes
+
+.. code-block:: bash
+
+ pytest --doctest-modules "--ignore-glob=*/tests" gammapy
+
Sphinx gallery extension
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