diff --git a/lib/galaxy/model/__init__.py b/lib/galaxy/model/__init__.py
index 0dd60773322..79a445f754d 100644
--- a/lib/galaxy/model/__init__.py
+++ b/lib/galaxy/model/__init__.py
@@ -8116,6 +8116,7 @@ class ItemTagAssociation(Dictifiable):
     dict_collection_visible_keys = ['id', 'user_tname', 'user_value']
     dict_element_visible_keys = dict_collection_visible_keys
     associated_item_names: List[str] = []
+    user_tname: Column
 
     def __init_subclass__(cls, **kwargs):
         super().__init_subclass__(**kwargs)
diff --git a/lib/galaxy/model/tags.py b/lib/galaxy/model/tags.py
index 0a4f4b81816..499d44ee06d 100644
--- a/lib/galaxy/model/tags.py
+++ b/lib/galaxy/model/tags.py
@@ -1,6 +1,6 @@
 import logging
 import re
-from typing import Dict
+from typing import Dict, List, Optional
 
 from sqlalchemy.orm.scoping import scoped_session
 from sqlalchemy.sql import select
@@ -341,13 +341,13 @@ class TagHandler:
             scrubbed_tag_list.append(self._scrub_tag_name(tag))
         return scrubbed_tag_list
 
-    def _get_name_value_pair(self, tag_str):
+    def _get_name_value_pair(self, tag_str) -> List[Optional[str]]:
         """Get name, value pair from a tag string."""
         # Use regular expression to parse name, value.
         if tag_str.startswith('#'):
             tag_str = f"name:{tag_str[1:]}"
         reg_exp = re.compile(f"[{self.key_value_separators}]")
-        name_value_pair = reg_exp.split(tag_str, 1)
+        name_value_pair: List[Optional[str]] = list(reg_exp.split(tag_str, 1))
         # Add empty slot if tag does not have value.
         if len(name_value_pair) < 2:
             name_value_pair.append(None)
diff --git a/setup.cfg b/setup.cfg
index fa666d6d9cf..a78f7bb2111 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -361,8 +361,6 @@ check_untyped_defs = False
 check_untyped_defs = False
 [mypy-galaxy.model.tool_shed_install]
 check_untyped_defs = False
-[mypy-galaxy.model.tags]
-check_untyped_defs = False
 [mypy-galaxy.model.metadata]
 check_untyped_defs = False
 [mypy-galaxy.model]