diff --git a/generate_data.py b/generate_data.py
index 865d06d..fd5924e 100644
--- a/generate_data.py
+++ b/generate_data.py
@@ -13,9 +13,19 @@ MAX_DISTANCE = 20_037.5
 
 # Add argparse
 parser = argparse.ArgumentParser()
-parser.add_argument("-c", "--country", help="Specify the country code", type=str, default="US")
-parser.add_argument("-w", "--workers", help="Specify the number of workers", type=int, default=1)
-parser.add_argument("-o", "--output-file", help="Specify the name of the output file (file.csv)", type=str, default="city_distances_full.csv")
+parser.add_argument(
+    "-c", "--country", help="Specify the country code", type=str, default="US"
+)
+parser.add_argument(
+    "-w", "--workers", help="Specify the number of workers", type=int, default=1
+)
+parser.add_argument(
+    "-o",
+    "--output-file",
+    help="Specify the name of the output file (file.csv)",
+    type=str,
+    default="city_distances_full.csv",
+)
 args = parser.parse_args()