Document delete exceptions

Author: adamtheturtle

spelling_private_dict.txt

@@ -4,6 +4,7 @@ ImageTooLarge
 MetadataTooLarge
 ProjectInactive
 TargetNameExist
+TargetStateProcessing
 Ubuntu
 UnknownTarget
 api

src/vws/vws.py

@@ -404,6 +404,8 @@ def delete_target(self, target_id: str) -> None:
                 example, the given access key does not match a known database.
             ~vws.exceptions.UnknownTarget: The given target ID does not match a
                 target in the database.
+            ~vws.exceptions.TargetStatusProcessing: The given target is in the
+                processing state.
         """
         self._make_request(
             method='DELETE',