default recon loss in loss breakdown to zero until it is built

Author: lucidrains

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "transfusion-pytorch"
-version = "0.5.2"
+version = "0.5.3"
 description = "Transfusion in Pytorch"
 authors = [
     { name = "Phil Wang", email = "lucidrains@gmail.com" }

transfusion_pytorch/transfusion.py

@@ -90,7 +90,7 @@ class LossBreakdown(NamedTuple):
     text: Scalar
     flow: list[Scalar]
     velocity: list[Scalar] | None
-    recon: list[Scalar] | None
+    recon: list[Scalar] | None = None
 
 class ModalityInfo(NamedTuple):
     encoder: Module | None