diff --git a/archivebox/config_stubs.py b/archivebox/config_stubs.py
index 399472ca..a36cb6d7 100644
--- a/archivebox/config_stubs.py
+++ b/archivebox/config_stubs.py
@@ -9,6 +9,8 @@ SimpleConfigValueDict = Dict[str, SimpleConfigValue]
 SimpleConfigValueGetter = Callable[[], SimpleConfigValue]
 ConfigValue = Union[SimpleConfigValue, SimpleConfigValueDict, SimpleConfigValueGetter]
 
+SHArgs = List[str]   # shell command args list e.g. ["--something=1", "--someotherarg"]
+
 
 class BaseConfig(TypedDict):
     pass
diff --git a/archivebox/plugins/defaults/__init__.py b/archivebox/plugins/defaults/__init__.py
index 569cea1a..8692914f 100644
--- a/archivebox/plugins/defaults/__init__.py
+++ b/archivebox/plugins/defaults/__init__.py
@@ -1 +1,3 @@
+__package__ = 'archivebox.plugins.defaults'
+
 default_app_config = 'plugins.defaults.apps.DefaultsPluginAppConfig'
\ No newline at end of file
diff --git a/archivebox/plugins/defaults/models.py b/archivebox/plugins/defaults/models.py
index ba86bdcf..310a3a48 100644
--- a/archivebox/plugins/defaults/models.py
+++ b/archivebox/plugins/defaults/models.py
@@ -1,6 +1,8 @@
-# __package__ = 'archivebox.plugins.defaults'
+__package__ = 'archivebox.plugins.defaults'
 
-import shutil
+# import shutil
+
+import re
 
 from typing import List, Dict, Any
 from pathlib import Path
diff --git a/archivebox/plugins/system/__init__.py b/archivebox/plugins/system/__init__.py
index eb282b0d..0263b0fa 100644
--- a/archivebox/plugins/system/__init__.py
+++ b/archivebox/plugins/system/__init__.py
@@ -1 +1,3 @@
+__package__ = 'archivebox.plugins.system'
+
 default_app_config = 'plugins.system.apps.SystemPluginAppConfig'
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index f50752b5..d98f546f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,18 +11,19 @@ package-dir = "archivebox"
 requires-python = ">=3.9,<3.12"
 dependencies = [
     # pdm update [--unconstrained] 
+    "ipython>5.0.0",
+    "requests>=2.24.0",
     "croniter>=0.3.34",
     "dateparser>=1.0.0",
-    "django-extensions>=3.0.3",
-    "django>=3.1.3,<3.2",
-    "ipython>5.0.0",
-    "mypy-extensions>=0.4.3",
     "python-crontab>=2.5.1",
-    "requests>=2.24.0",
+    "django>=3.1.3,<3.2",
+    "django-extensions>=3.0.3",
+    "django-solo>=2.0.0",
     "w3lib>=1.22.0",
     "yt-dlp>=2023.10.13",
     # "playwright>=1.39.0; platform_machine != 'armv7l'",
-    "django-solo>=2.0.0",
+    "mypy-extensions>=0.4.3",
+    # "django-stubs-ext>=4.2.7",
 ]
 classifiers = [
     "Development Status :: 4 - Beta",