Ensure tinypages ignored by mypy/stubtest

Should mean that the figure no longer gets shown when running stubtest. I had previously been working around by setting the MPLBACKEND envvar to a non-gui backend

Author: ksunden

pyproject.toml

@@ -130,5 +130,11 @@ convention = "numpy"
 "galleries/users_explain/text/text_props.py" = ["E501"]
 
 [tool.mypy]
-exclude = [".*/matplotlib/(sphinxext|backends|testing)", ".*/mpl_toolkits"]
+exclude = [
+  ".*/matplotlib/(sphinxext|backends|testing)",
+  ".*/mpl_toolkits",
+  # tinypages is used for testing the sphinx ext,
+  # stubtest will import and run, opening a figure if not excluded
+  ".*/tinypages",
+]
 ignore_missing_imports = true