fix: Fix bug with check empty type

Author: bubaley

fastapi_mason/filters/filters.py

@@ -176,7 +176,7 @@ def __init__(self, data: Optional[Dict[str, Any]] = None):
 
     def _validate_model(self):
         meta = getattr(self, 'Meta', None)
-        if not meta or not getattr(meta, 'model', None) and type(self) is not FilterSet:
+        if (not meta or not getattr(meta, 'model', None)) and not isinstance(self, EmptyFilterSet):
             raise ValueError(f'Meta.model must be specified for {self.__class__.__name__}')
 
     @classmethod

pyproject.toml

@@ -5,7 +5,7 @@ requires = [ "hatchling" ]
 
 [project]
 name = "fastapi-mason"
-version = "0.3.0"
+version = "0.3.1"
 description = "FastAPI Mason is a library for building FastAPI applications with a Django REST Framework-inspired architecture."
 readme = "README.md"
 keywords = [