From b161dcadfd38964682ab7094332fa635231aa935 Mon Sep 17 00:00:00 2001
From: Miles <miles.stoudenmire@gmail.com>
Date: Sun, 10 Dec 2023 23:37:28 -0500
Subject: [PATCH] Update docstring

---
 src/qn/flux.jl | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/qn/flux.jl b/src/qn/flux.jl
index 08fd97b497..5eb2c83f0b 100644
--- a/src/qn/flux.jl
+++ b/src/qn/flux.jl
@@ -68,10 +68,11 @@ allfluxequal(T::Tensor) = allequal(flux(T, b) for b in nzblocks(T))
 
 Check that fluxes of all non-zero blocks of a blocked or symmetric Tensor
 are equal. Throws an error if one or more blocks have a different flux.
+If the tensor is dense (is not blocked) then `checkflux` returns `nothing`.
 """
-function checkflux(T::Tensor) 
+function checkflux(T::Tensor)
   (!hasqns(T) || isempty(T)) && return nothing
-  allfluxequal(T) ? nothing : error("Fluxes not all equal")
+  return allfluxequal(T) ? nothing : error("Fluxes not all equal")
 end
 
 """