Prevent error when node.tags is None

.changes/unreleased/Fixes-20240802-162205.yaml

@@ -0,0 +1,6 @@
+kind: Fixes
+body: Prevent error when `node.tags` is `None`
+time: 2024-08-02T16:22:05.2458-07:00
+custom:
+  Author: dbeatty10
+  Issue: "10519"

core/dbt/graph/selector_methods.py

@@ -274,7 +274,11 @@ class TagSelectorMethod(SelectorMethod):
     def search(self, included_nodes: Set[UniqueId], selector: str) -> Iterator[UniqueId]:
         """yields nodes from included that have the specified tag"""
         for unique_id, node in self.all_nodes(included_nodes):
-            if hasattr(node, "tags") and any(fnmatch(tag, selector) for tag in node.tags):
+            if (
+                hasattr(node, "tags")
+                and node.tags
+                and any(fnmatch(tag, selector) for tag in node.tags)
+            ):
                 yield unique_id