fixed test failing intermittently on old Python versions

it relied on dict key ordering which wasn't guaranteed on Python < 3.7

Author: gdementen

larray/inout/xw_reporting.py

@@ -134,7 +134,7 @@ def set_item_default_size(self, kind, width=None, height=None):
                              "Please provide one for at least 'width' or 'heigth'")
         if kind not in self.default_items_size:
             raise ValueError("Item type {} is not registered. Please choose in "
-                             "list {}".format(kind, list(self.default_items_size.keys())))
+                             "list {}".format(kind, sorted(self.default_items_size.keys())))
         if width is None:
             width = self.default_items_size[kind].width
         if height is None:

larray/tests/test_excel.py

@@ -368,7 +368,7 @@ def test_excel_report_arrays():
     # 1) pass a not registered kind of item
     item_type = 'unknown_item'
     msg = "Item type {} is not registered. Please choose in " \
-          "list ['title', 'graph']".format(item_type)
+          "list ['graph', 'title']".format(item_type)
     with pytest.raises(ValueError, match=re.escape(msg)):
         sheet_graphs.set_item_default_size(item_type, width, height)
     # 2) update default size for graphs