Fix BrickRecordFields failing on KeyError instead of AttributeError when used with hasattr()

bricktracker/fields.py

@@ -4,6 +4,9 @@ from typing import Any
 # SQLite record fields
 class BrickRecordFields(object):
     def __getattr__(self, name: str, /) -> Any:
+        if name not in self.__dict__:
+            raise AttributeError(name)
+
         return self.__dict__[name]
 
     def __setattr__(self, name: str, value: Any, /) -> None: