Actually use return value of ModelLoader._fail

src/hexdoc/graphics/loader.py

@@ -71,7 +71,7 @@ def render_model(self, model_id: ResourceLocation):
  exc_info=True,
  )
 
- self._fail(f"All strategies failed to render model: {model_id}")
+ return self._fail(f"All strategies failed to render model: {model_id}")
 
  def render_texture(self, texture_id: ResourceLocation) -> URL | None:
  if result := self._texture_cache.get(texture_id):
@@ -91,7 +91,7 @@ def render_texture(self, texture_id: ResourceLocation) -> URL | None:
  + " (this should never happen)"
  )
 
- self._fail(f"Failed to find texture: {texture_id}")
+ return self._fail(f"Failed to find texture: {texture_id}")
 
  def _fail(self, message: str):
  if self.props.textures.strict: