fix(include): ignore pseudo association for new include.association logic

lib/model.js

@@ -1822,7 +1822,7 @@ module.exports = (function() {
       throw new Error('Include malformed. Expected attributes: model or association');
       throw new Error('Include malformed. Expected attributes: model or association');
     }
     }
 
 
-    if (include.association) include.model = include.association.source;
+    if (include.association && !include._pseudo) include.model = include.association.source;
 
 
     tableNames[include.model.getTableName()] = true;
     tableNames[include.model.getTableName()] = true;