Another fix?

Author: kshyatt

src/tensors/braidingtensor.jl

@@ -260,9 +260,8 @@ function planarcontract!(
         backend, allocator
     )
     # special case only defined for contracting all 4 indices of B (2 contracted + 2 open)
-    length.(pB) == (2, 2) ||
-        planarcontract!(C, A, pA, TensorMap(B), pB, pAB, α, β, backend, allocator)
-
+    length.(pB) == (2, 2) &&
+        return planarcontract!(C, A, pA, TensorMap(B), pB, pAB, α, β, backend, allocator)
 
     spacecheck_contract(C, A, pA, false, B, pB, false, pAB)