fix doctest

docs/userguide/basics.model.rst

@@ -55,9 +55,7 @@ Elements
 
 Elements are defined by the nodes they connect to and a section.
 
-
 >>>
 
-
 Parts
 =====

src/compas_fea2/UI/viewer/__init__.py

@@ -1,17 +1,3 @@
-"""
-********************************************************************************
-Viewer
-********************************************************************************
-
-.. currentmodule:: compas_fea2.UI.viewer
-
-.. autosummary::
-    :toctree: generated/
-
-    FEA2Viewer
-
-"""
-
 from .viewer import FEA2Viewer
 from .shapes import (
     _BCShape,

src/compas_fea2/UI/viewer/viewer.py

@@ -11,10 +11,6 @@
 from compas.geometry import Translation
 from compas.geometry import Vector
 from compas.geometry import sum_vectors
-from compas_view2.app import App
-from compas_view2.objects import Collection
-from compas_view2.shapes import Arrow
-from compas_view2.shapes import Text
 
 from compas_fea2.model.bcs import FixedBC
 from compas_fea2.model.bcs import PinnedBC
@@ -26,8 +22,13 @@
 from compas_fea2.UI.viewer.shapes import PinBCShape
 from compas_fea2.UI.viewer.shapes import RollerBCShape
 
-# def hextorgb(hex):
-#     return tuple(i / 255 for i in hex_to_rgb(hex))
+try:
+    from compas_view2.app import App  # type: ignore
+    from compas_view2.objects import Collection  # type: ignore
+    from compas_view2.shapes import Arrow  # type: ignore
+    from compas_view2.shapes import Text  # type: ignore
+except Exception:
+    pass
 
 
 class FEA2Viewer: