diff --git a/src/QSymbolicsBase/express.jl b/src/QSymbolicsBase/express.jl
index 8fd6466..54031ab 100644
--- a/src/QSymbolicsBase/express.jl
+++ b/src/QSymbolicsBase/express.jl
@@ -64,6 +64,11 @@ express_nolookup(x, repr::AbstractRepresentation, ::UseAsState) = express_nolook
 # where the cache is a distribution over possible samples.
 express_from_cache(cache) = cache
 
+function consistent_representation(regs,idx,state)
+    reprs = Set([r.reprs[i] for (r,i) in zip(regs,idx)])
+    consistent_representation(reprs,state)
+end
+
 """Pick a representation that is consistent with given representations and appropriate for the given state."""
 function consistent_representation(reprs,state)
     reprs = Set(reprs)
diff --git a/src/QSymbolicsBase/utils.jl b/src/QSymbolicsBase/utils.jl
index 5afe9f1..90e140f 100644
--- a/src/QSymbolicsBase/utils.jl
+++ b/src/QSymbolicsBase/utils.jl
@@ -1,3 +1,4 @@
+
 function prefactorscalings(xs)
     terms = []
     coeff = 1::Any
@@ -45,4 +46,4 @@ function countmap_flatten(samples, flattenhead)
         end
     end
     counts
-end
\ No newline at end of file
+end