Add formatter

examples/profiling_utilities.jl

@@ -5,7 +5,7 @@ function test_random_walk(g::DAG, n::Int64)
 
     properties = graph_properties(g)
 
-    for i = 1:n
+    for i in 1:n
         # choose push or pop
         if rand(Bool)
             # push
@@ -32,5 +32,5 @@ function test_random_walk(g::DAG, n::Int64)
         end
     end
 
-    reset_graph!(g)
-end
+    return reset_graph!(g)
+end