Cleanup

Remove two unused imports and fix a type hint

access/config.py

@@ -22,7 +22,7 @@
 from util.pydantic import Undefined, validation_error_str, validation_warning_str
 from util.static import static_path, symbolic_link
 from builder.models import Course as CourseModel
-from .course import Course, Exercise, Parent, ExerciseConfig
+from .course import Course, Exercise, ExerciseConfig
 from .parser import ConfigParser, ConfigError
 
 META = "apps.meta"

builder/builder.py

@@ -24,14 +24,13 @@
 from aplus_auth.payload import Permission, Permissions
 from aplus_auth.requests import post
 
-from access.config import INDEX, ConfigSource, CourseConfig, load_meta, META
+from access.config import ConfigSource, CourseConfig, load_meta, META
 from access.parser import ConfigError
 from builder.configure import configure_graders, publish_graders
 from util.files import (
     copyfile,
     copys_async,
     is_subpath,
-    readfile,
     renames,
     rm_except,
     FileLock,

util/files.py

@@ -57,7 +57,7 @@ def rm_paths(paths: Iterable[Union[str, Path]]) -> None:
 
 def rm_except(dir: PathLike, exclude: PathLike) -> None:
     """Remove directory contents except for <exclude>"""
-    def inner(dir: PathLike, exclude: PathLike, exclude_parents: Set[Path]):
+    def inner(dir: PathLike, exclude: PathLike, exclude_parents: Set[str]):
         with os.scandir(dir) as it:
             for direntry in it:
                 if exclude == direntry.path: