fix load plugin from script type

backend/src/hatchling/plugin/manager.py

@@ -4,8 +4,6 @@
 
 import pluggy
 
-from hatchling.types import PluginInterface
-
 
 class PluginManager:
     def __init__(self) -> None:
@@ -68,7 +66,7 @@ def collect(self, *, include_third_party: bool = True) -> dict:
         if include_third_party and not self.third_party_plugins.loaded:
             self.third_party_plugins.load()
 
-        classes: dict[str, PluginInterface] = {}
+        classes: dict[str, type] = {}
 
         for registered_classes in self.registration_method():
             if not isinstance(registered_classes, list):
@@ -88,7 +86,7 @@ def collect(self, *, include_third_party: bool = True) -> dict:
 
         return classes
 
-    def get(self, name: str) -> type[PluginInterface] | None:
+    def get(self, name: str) -> type | None:
         if not self.third_party_plugins.loaded:
             classes = self.collect(include_third_party=False)
             if name in classes:

backend/src/hatchling/plugin/utils.py

@@ -1,11 +1,15 @@
 from __future__ import annotations
 
-from hatchling.types import PluginInterface
+from typing import TypeVar
 
+from hatchling.builders.hooks.plugin.interface import BuildHookInterface
+from hatchling.builders.plugin.interface import BuilderInterface
+from hatchling.metadata.plugin.interface import MetadataHookInterface
 
-def load_plugin_from_script(
-    path: str, script_name: str, plugin_class: type[PluginInterface], plugin_id: str
-) -> type[PluginInterface]:
+T = TypeVar('T', BuilderInterface, BuildHookInterface, MetadataHookInterface)
+
+
+def load_plugin_from_script(path: str, script_name: str, plugin_class: type[T], plugin_id: str) -> type[T]:
     import importlib
 
     spec = importlib.util.spec_from_file_location(script_name, path)  # type: ignore

hatch.toml

@@ -9,7 +9,6 @@ dependencies = [
   "pytest-rerunfailures",
   "pytest-xdist",
   "trustme",
-  "typing-extensions",
 ]
 post-install-commands = [
   "python -m pip install --disable-pip-version-check {verbosity:flag:-1} -e ./backend",