fix circular import problem

Author: tomvanmele

src/compas_model/elements/element.py

@@ -19,7 +19,7 @@
 from compas_model.algorithms import mesh_mesh_contacts
 from compas_model.interactions import Contact
 from compas_model.materials import Material
-from compas_model.modifiers.modifier import Modifier
+from compas_model.modifiers import Modifier
 
 if TYPE_CHECKING:
     from compas_model.elements import Element
@@ -38,6 +38,8 @@ def wrapper(*args, **kwargs):
         self._modelgeometry = None
         self._modeltransformation = None
         self._point = None
+        self._femesh2 = None
+        self._femesh3 = None
         return f(*args, **kwargs)
 
     return wrapper

src/compas_model/modifiers/trim.py

@@ -1,15 +1,19 @@
+from typing import TYPE_CHECKING
+
 from compas.datastructures import Mesh
 from compas.geometry import Brep
 from compas.geometry import Plane
-from compas_model.elements import Element
 
 from .modifier import Modifier
 
+if TYPE_CHECKING:
+    from compas_model.elements import Element
+
 
 class TrimModifier(Modifier):
     def __init__(
         self,
-        source: Element,
+        source: "Element",
         attributename: str,
         name: str | None = None,
     ) -> None: