Partial fix for mypy issues

core/activity_lookup_helper.py

@@ -12,7 +12,7 @@ from data.activity_ref import ActivityRef
 logger = logging.getLogger(__name__)
 
 
-def get_activity_ref_info(activity_name: str, ref_id: str) -> ActivityRef | None:
+def get_activity_ref_info(activity_name: str | None, ref_id: str | None) -> ActivityRef | None:
     """Look up details of an activity reference (e.g. POTA park) such as name, lat/lon, and grid. Takes in an
     activity name and a reference ID (both strings) and returns an ActivityRef object populated with as much data
     as we can find. This makes use of activity ref data in the data store, live lookups from the web, or just
@@ -102,12 +102,14 @@ def get_activity_ref_info(activity_name: str, ref_id: str) -> ActivityRef | None
             # the best result.
             iota_lookup = get_activity_ref_info(ActivityName.IOTA, ref_id)
             gma_lookup = get_activity_ref_info(ActivityName.GMA, ref_id)
-            for key, value in iota_lookup.__dict__.items():
-                if value is not None and activity_ref.__dict__.get(key) is None:
-                    activity_ref.__dict__[key] = value
-            for key, value in gma_lookup.__dict__.items():
-                if value is not None and activity_ref.__dict__.get(key) is None:
-                    activity_ref.__dict__[key] = value
+            if iota_lookup:
+                for key, value in iota_lookup.__dict__.items():
+                    if value is not None and activity_ref.__dict__.get(key) is None:
+                        activity_ref.__dict__[key] = value
+            if gma_lookup:
+                for key, value in gma_lookup.__dict__.items():
+                    if value is not None and activity_ref.__dict__.get(key) is None:
+                        activity_ref.__dict__[key] = value
             activity_ref.ref_type = ActivityRefType.ISLAND
             return activity_ref