Autogenerated type safety parameterisation of all methods

data/callsign.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from dataclasses import dataclass
 
 from core.enums import Continent, LocationSourceForCallsign
@@ -40,7 +42,7 @@ class Callsign:
     # Location source
     location_source: LocationSourceForCallsign | None = None
 
-    def fully_populated(self):
+    def fully_populated(self) -> bool:
         """Utility method to indicate that the callsign data is fully populated. Multiple providers can return data for
         a callsign, and we try them in sequence until we have all the data we can, in which case there's no point
         querying any other providers."""