diff --git a/src/hash_utils.h b/src/hash_utils.h
index b98214483..63084b22a 100644
--- a/src/hash_utils.h
+++ b/src/hash_utils.h
@@ -40,4 +40,5 @@ inline void hash_combine(std::size_t& seed, const T& v, Rest... rest) {
       return hash<int>()(static_cast<int>(t));    \
     }                                             \
   };                                              \
-  }
\ No newline at end of file
+  }
+