Refactor imports to happen when methods called (fixes

intecomm-form-validators tests failing to run)

Author: JonathanWillitts

edc_consent/consent_definition.py

@@ -18,7 +18,6 @@
     ConsentDefinitionValidityPeriodError,
     NotConsentedError,
 )
-from .managers import ConsentObjectsByCdefManager, CurrentSiteByCdefManager
 
 if TYPE_CHECKING:
     from edc_model.models import BaseUuidModel
@@ -79,6 +78,8 @@ def __post_init__(self):
 
     @property
     def model(self):
+        from .managers import ConsentObjectsByCdefManager, CurrentSiteByCdefManager
+
         model_cls = django_apps.get_model(self._model)
         if not model_cls._meta.proxy:
             raise ConsentDefinitionError(