diff --git a/pytorch3d/renderer/blending.py b/pytorch3d/renderer/blending.py
index 80ef33ef..1eb184fe 100644
--- a/pytorch3d/renderer/blending.py
+++ b/pytorch3d/renderer/blending.py
@@ -189,6 +189,8 @@ def softmax_rgb_blend(
 
     # Also apply exp normalize trick for the background color weight.
     # Clamp to ensure delta is never 0.
+    # pyre-fixme[20]: Argument `max` expected.
+    # pyre-fixme[6]: Expected `Tensor` for 1st param but got `float`.
     delta = torch.exp((eps - z_inv_max) / blend_params.gamma).clamp(min=eps)
 
     # Normalize weights.