Directly use assignment instead of dict.update()

Co-authored-by: Angus Hollands <[email protected]>

Author: GeorgianaElena

jupyterhub/files/hub/jupyterhub_config.py

@@ -337,7 +337,7 @@ def camelCaseify(s):
             "subPath": file_key,
             "name": "files",
         }
-        volume_mounts.update({f"{idx}-files": volume_mount})
+        volume_mounts[f"{idx}-files"] = volume_mount
 
 # Inject extraVolumes / extraVolumeMounts
 extra_volumes = get_config("singleuser.storage.extraVolumes", default={})
@@ -346,19 +346,19 @@ def camelCaseify(s):
         volumes.update[key] = volume
 elif isinstance(extra_volumes, list):
     for volume in extra_volumes:
-        volumes.update({volume["name"]: volume})
+        volumes[volume["name"]] = volume
 
 extra_volume_mounts = get_config("singleuser.storage.extraVolumeMounts", default={})
 if isinstance(extra_volume_mounts, dict):
     for key, volume_mount in extra_volume_mounts.items():
-        volume_mounts.update({key: volume_mount})
+        volume_mounts[key] = volume_mount
 elif isinstance(extra_volume_mounts, list):
     # If extraVolumeMounts is a list, we need to add them to the volume_mounts
     # dictionary with a unique key.
     # Since volume mount's name is not guaranteed to be unique, we use the index
     # as part of the key.
     for idx, volume_mount in enumerate(extra_volume_mounts):
-        volume_mounts.update({f"{idx}-{volume_mount['name']}": volume_mount})
+        volume_mounts[f"{idx}-{volume_mount['name']}"] = volume_mount
 
 c.KubeSpawner.volumes = volumes
 c.KubeSpawner.volume_mounts = volume_mounts