diff --git a/lib/utils/include/utils/containers.h b/lib/utils/include/utils/containers.h
index ae274f473a..eacb522ee5 100644
--- a/lib/utils/include/utils/containers.h
+++ b/lib/utils/include/utils/containers.h
@@ -172,7 +172,8 @@ std::unordered_map<K, V> filter_keys(std::unordered_map<K, V> const &m,
   return result;
 }
 
-template <typename K, typename V, typename F> std::unordered_map<K, V> filter_keys(bidict<K, V> const & m, F const & f) {
+template <typename K, typename V, typename F>
+std::unordered_map<K, V> filter_keys(bidict<K, V> const &m, F const &f) {
   std::unordered_map<K, V> result;
   for (auto const &kv : m) {
     if (f(kv.first)) {
@@ -182,8 +183,8 @@ template <typename K, typename V, typename F> std::unordered_map<K, V> filter_ke
   return result;
 }
 
-
-template <typename K, typename V, typename F> std::unordered_map<K, V> filter_values(bidict<K, V> const & m, F const & f) {
+template <typename K, typename V, typename F>
+std::unordered_map<K, V> filter_values(bidict<K, V> const &m, F const &f) {
   std::unordered_map<K, V> result;
   for (auto const &kv : m) {
     if (f(kv.second)) {
@@ -193,7 +194,6 @@ template <typename K, typename V, typename F> std::unordered_map<K, V> filter_va
   return result;
 }
 
-
 template <typename K,
           typename V,
           typename F,
@@ -231,9 +231,6 @@ std::unordered_map<K, V> filter_values(std::unordered_map<K, V> const &m,
   return result;
 }
 
-
-
-
 template <typename C>
 std::vector<typename C::key_type> keys(C const &c) {
   std::vector<typename C::key_type> result;
diff --git a/lib/utils/include/utils/graph/query_set.h b/lib/utils/include/utils/graph/query_set.h
index d16099a080..4bea69a289 100644
--- a/lib/utils/include/utils/graph/query_set.h
+++ b/lib/utils/include/utils/graph/query_set.h
@@ -1,10 +1,10 @@
 #ifndef _FLEXFLOW_UTILS_INCLUDE_UTILS_GRAPH_QUERY_SET_H
 #define _FLEXFLOW_UTILS_INCLUDE_UTILS_GRAPH_QUERY_SET_H
 
+#include "utils/bidict.h"
 #include "utils/containers.h"
 #include "utils/exception.h"
 #include "utils/optional.h"
-#include "utils/bidict.h"
 #include <unordered_set>
 
 namespace FlexFlow {
@@ -12,12 +12,12 @@ namespace FlexFlow {
 template <typename T>
 struct query_set {
   query_set() = delete;
-  query_set(T const & query) : query({query}) {
-    std::cout<<"1"<<std::endl;
+  query_set(T const &query) : query({query}) {
+    std::cout << "1" << std::endl;
   }
   query_set(std::unordered_set<T> const &query) : query(query) {}
 
-  query_set(optional<std::unordered_set<T>> const & query): query(query) {}
+  query_set(optional<std::unordered_set<T>> const &query) : query(query) {}
 
   friend bool operator==(query_set const &lhs, query_set const &rhs) {
     return lhs.value == rhs.value;
@@ -71,37 +71,36 @@ template <typename C,
           typename K = typename C::key_type,
           typename V = typename C::mapped_type>
 std::unordered_map<K, V> query_keys(query_set<K> const &q, C const &m) {
-  std::cout<<"3"<<std::endl;
+  std::cout << "3" << std::endl;
   std::unordered_set<K> q_set = allowed_values(q);
 
-  auto filter_lambda = [&q_set](const K& key) {
+  auto filter_lambda = [&q_set](K const &key) {
     return q_set.find(key) != q_set.end();
   };
 
   return filter_keys(m, filter_lambda);
-}//TODO
+} // TODO
 
-template <typename K,
-          typename V>
-std::unordered_map<K,V> query_keys(query_set<V> const &q, bidict<K, V> const &m) {
+template <typename K, typename V>
+std::unordered_map<K, V> query_keys(query_set<V> const &q,
+                                    bidict<K, V> const &m) {
   std::unordered_set<V> q_set = allowed_values(q);
 
-  auto filter_lambda = [&q_set](const V& value) {
+  auto filter_lambda = [&q_set](V const &value) {
     return q_set.find(value) != q_set.end();
   };
 
-  return  filter_values(m, filter_lambda);
+  return filter_values(m, filter_lambda);
 }
 
-
 template <typename C,
           typename K = typename C::key_type,
           typename V = typename C::mapped_type>
 std::unordered_map<K, V> query_values(query_set<V> const &q, C const &m) {
-  std::cout<<"4"<<std::endl;
+  std::cout << "4" << std::endl;
   std::unordered_set<V> q_set = allowed_values(q);
 
-  auto filter_lambda = [&q_set](const V& value) {
+  auto filter_lambda = [&q_set](V const &value) {
     return q_set.find(value) != q_set.end();
   };
 
diff --git a/lib/utils/src/graph/adjacency_multidigraph.cc b/lib/utils/src/graph/adjacency_multidigraph.cc
index 0b8ee7f4f1..adf5ded069 100644
--- a/lib/utils/src/graph/adjacency_multidigraph.cc
+++ b/lib/utils/src/graph/adjacency_multidigraph.cc
@@ -42,11 +42,13 @@ void AdjacencyMultiDiGraph::remove_edge(MultiDiEdge const &e) {
 std::unordered_set<MultiDiEdge>
     AdjacencyMultiDiGraph::query_edges(MultiDiEdgeQuery const &q) const {
   std::unordered_set<MultiDiEdge> result;
-  for (auto const &src_kv : query_keys(q.srcs, this->adjacency)) { //query_keys(q.srcs, this->adjacency) return map<node, map<node, map<nodeport, set<nodeport>>>>
+  for (auto const &src_kv : query_keys(q.srcs, this->adjacency)) {
     for (auto const &dst_kv : query_keys(q.dsts, src_kv.second)) {
       for (auto const &srcIdx_kv : query_keys(q.srcIdxs, dst_kv.second)) {
         for (auto const &dstIdx : apply_query(q.dstIdxs, srcIdx_kv.second)) {
-          std::cout<<"add edge "<<src_kv.first.value()<<" "<<dst_kv.first.value()<<" "<<srcIdx_kv.first.value()<<" "<<dstIdx.value()<<std::endl;
+          std::cout << "add edge " << src_kv.first.value() << " "
+                    << dst_kv.first.value() << " " << srcIdx_kv.first.value()
+                    << " " << dstIdx.value() << std::endl;
           result.insert({src_kv.first, dst_kv.first, srcIdx_kv.first, dstIdx});
         }
       }
diff --git a/lib/utils/src/graph/views.cc b/lib/utils/src/graph/views.cc
index ca52d2afdc..51af7b3b59 100644
--- a/lib/utils/src/graph/views.cc
+++ b/lib/utils/src/graph/views.cc
@@ -55,7 +55,7 @@ std::unordered_set<MultiDiEdge> ViewOpenMultiDiGraphAsMultiDiGraph::query_edges(
   // }
 
   // return result;
-  std::cout<<"5"<<std::endl;
+  std::cout << "5" << std::endl;
   NOT_IMPLEMENTED();
 }
 
@@ -147,7 +147,7 @@ JoinedNodeView::JoinedNodeView(GraphView const &lhs, GraphView const &rhs) {
 
 std::unordered_set<Node>
     JoinedNodeView::query_nodes(NodeQuery const &query) const {
-  return unique(values(query_keys(query.nodes, this->mapping)));//query_keys(query.nodes, this->mapping)->std::unordered_map<x, Node>
+  return unique(values(query_keys(query.nodes, this->mapping)));
 }
 
 std::pair<std::unordered_set<Node>, std::unordered_set<Node>>