Fix schema loading

Remove usage of deprecated importlib.resources.path

tests/test_server.py

@@ -7,10 +7,11 @@ import tornado.template
 import tornado_openapi3.testing
 import yaml
 
+import tutor
 import tutor.database
 import tutor.server
 
-template_path = importlib.resources.path("tutor", "templates")
+template_path = importlib.resources.files(tutor) / "templates"
 template_loader = tornado.template.Loader(str(template_path))
 openapi_spec_dict = yaml.safe_load(
     template_loader.load("openapi.yaml").generate(

tutor/server.py

@@ -416,8 +416,10 @@ class StaticFileHandler(tornado.web.StaticFileHandler):
 class Application(tornado.web.Application):
     def __init__(self, **settings):
         version = importlib.metadata.version(__package__)
-        with importlib.resources.path(__package__, "templates") as template_path:
-            settings.setdefault("template_path", template_path)
+        settings.setdefault(
+            "template_path",
+            importlib.resources.files(__package__) / "templates",
+        )
 
         paths = [
             (