Fix for PYL-W0068: Consider using identity comparison with singleton

Author: smlindauer

src/sasctl/pzmm/writeScoreCode.py

@@ -151,7 +151,7 @@ def upload_and_copy_score_resources(model, files):
 
         # For SAS Viya 3.5, either return an error or return the model UUID as a string
         if isViya35:
-            if model == None:
+            if model is None:
                 raise ValueError(
                     "The model UUID is required for score code written for"
                     + " SAS Model Manager on SAS Viya 3.5."