diff --git a/agent/patches/add_devbox_directory_config.py b/agent/patches/add_devbox_directory_config.py
index 071dc563..7cf1a4b6 100644
--- a/agent/patches/add_devbox_directory_config.py
+++ b/agent/patches/add_devbox_directory_config.py
@@ -6,7 +6,8 @@
 def execute():
     """Add devbox config key for old app servers"""
     from agent.server import Server
+
     server = Server()
     config = server.config
-    config["devboxes_directory"] = os.path.join(os.path.dirname(config["benches_directory"]),"devboxes")
-    server.setconfig(config)
\ No newline at end of file
+    config["devboxes_directory"] = os.path.join(os.path.dirname(config["benches_directory"]), "devboxes")
+    server.setconfig(config)