diff --git a/cerulean_cloud/cloud_run_orchestrator/merging.py b/cerulean_cloud/cloud_run_orchestrator/merging.py
index f3ac0c45..d079d1c6 100644
--- a/cerulean_cloud/cloud_run_orchestrator/merging.py
+++ b/cerulean_cloud/cloud_run_orchestrator/merging.py
@@ -3,6 +3,7 @@
 import geopandas as gpd
 import networkx as nx
 import pandas as pd
+from typing import List
 
 
 def reproject_to_utm(gdf_wgs84):