OwTSNE: Pylint fixes

Author: pavlin-policar

Orange/widgets/unsupervised/owtsne.py

@@ -231,6 +231,7 @@ def update_coordinates(self):
 
 
 class invalidated:
+    # pylint: disable=invalid-name
     pca_projection = affinities = tsne_embedding = False
 
     def __set__(self, instance, value):
@@ -376,6 +377,7 @@ def error(err):
 
         # `super().check_data()` clears all messages so we have to remember if
         # it was shown
+        # pylint: disable=assignment-from-no-return
         should_show_modified_message = self.Information.modified.is_shown()
         super().check_data()
 

Orange/widgets/unsupervised/tests/test_owtsne.py

@@ -289,6 +289,7 @@ def test_modified_info_message_behaviour(self):
         )
 
     def test_invalidation_flow(self):
+        # pylint: disable=protected-access
         w = self.widget
         # Setup widget: send data to input with global structure "off", then
         # set global structure "on" (after the embedding is computed)