diff --git a/boxes/__init__.py b/boxes/__init__.py
index a7ded43..1ac1528 100755
--- a/boxes/__init__.py
+++ b/boxes/__init__.py
@@ -13,6 +13,7 @@
 #
 #   You should have received a copy of the GNU General Public License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+from __future__ import annotations
 
 import argparse
 import copy
@@ -24,7 +25,7 @@ from argparse import ArgumentParser
 from contextlib import contextmanager
 from functools import wraps
 from shlex import quote
-from typing import Optional, List
+from typing import Any
 from xml.sax.saxutils import quoteattr
 
 from shapely.geometry import *
@@ -179,9 +180,9 @@ class ArgparseEdgeType:
     """argparse type to select from a set of edge types"""
 
     names = edges.getDescriptions()
-    edges: List[str] = []
+    edges: list[str] = []
 
-    def __init__(self, edges: Optional[str] = None) -> None:
+    def __init__(self, edges: str | None = None) -> None:
         if edges:
             self.edges = list(edges)
 
@@ -282,16 +283,16 @@ class Boxes:
     webinterface = True
     ui_group = "Misc"
 
-    description = "" # Markdown syntax is supported
+    description: str = ""  # Markdown syntax is supported
 
     def __init__(self) -> None:
         self.formats = formats.Formats()
         self.ctx = None
-        description = self.__doc__
+        description: str = self.__doc__ or ""
         if self.description:
             description += "\n\n" + self.description
         self.argparser = ArgumentParser(description=description)
-        self.edgesettings = {}
+        self.edgesettings: dict[Any, Any] = {}
         self.inkscapefile = None
 
         self.metadata = {
diff --git a/boxes/drawing.py b/boxes/drawing.py
index 0c57b5a..f205a0e 100644
--- a/boxes/drawing.py
+++ b/boxes/drawing.py
@@ -1,5 +1,8 @@
+from __future__ import annotations
+
 import datetime
 import math
+from typing import Any
 from xml.etree import ElementTree as ET
 
 from affine import Affine
@@ -29,7 +32,7 @@ class Surface:
 
     def __init__(self, fname) -> None:
         self._fname = fname
-        self.parts = []
+        self.parts: list[Any] = []
         self._p = self.new_part("default")
 
     def set_metadata(self, metadata):
@@ -94,8 +97,8 @@ class Surface:
 
 class Part:
     def __init__(self, name) -> None:
-        self.pathes = []
-        self.path = []
+        self.pathes: list[Any] = []
+        self.path: list[Any] = []
 
     def extents(self):
         if not self.pathes:
@@ -217,7 +220,7 @@ class Context:
         self._bounds = Extents()
         self._padding = PADDING
 
-        self._stack = []
+        self._stack: list[Any] = []
         self._m = Affine.translation(0, 0)
         self._xy = (0, 0)
         self._mxy = self._m * self._xy
diff --git a/boxes/generators/__init__.py b/boxes/generators/__init__.py
index a156a28..2c56ab0 100644
--- a/boxes/generators/__init__.py
+++ b/boxes/generators/__init__.py
@@ -1,6 +1,9 @@
+from __future__ import annotations
+
 import importlib
 import inspect
 import pkgutil
+from typing import Any
 
 import boxes
 
@@ -13,7 +16,7 @@ class UIGroup:
         self.title = title or name
         self.description = description
         self._image = image
-        self.generators = []
+        self.generators: list[Any] = []
         # register
         ui_groups_by_name[name] = self
 
diff --git a/boxes/generators/_swtemplate.py b/boxes/generators/_swtemplate.py
index 320e329..df42c26 100644
--- a/boxes/generators/_swtemplate.py
+++ b/boxes/generators/_swtemplate.py
@@ -14,6 +14,8 @@
 #   You should have received a copy of the GNU General Public License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+# mypy: ignore-errors
+
 from boxes import *
 
 class SlatwallXXX(Boxes): # Change class name!
diff --git a/boxes/generators/dividertray.py b/boxes/generators/dividertray.py
index ea11636..857405c 100644
--- a/boxes/generators/dividertray.py
+++ b/boxes/generators/dividertray.py
@@ -14,6 +14,8 @@
 #   You should have received a copy of the GNU General Public License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+from __future__ import annotations
+
 import math
 from functools import partial
 
@@ -366,9 +368,9 @@ You will likely need to cut each of the dividers you want multiple times.
 
 class SlottedEdgeDescriptions:
     def __init__(self) -> None:
-        self.descriptions = []
+        self.descriptions: list[str] = []
 
-    def add(self, description):
+    def add(self, description: str) -> None:
         self.descriptions.append(description)
 
     def get_straigth_edges(self):
diff --git a/scripts/boxes2pot b/scripts/boxes2pot
index 6583683..0453926 100755
--- a/scripts/boxes2pot
+++ b/scripts/boxes2pot
@@ -13,10 +13,12 @@
 #
 #   You should have received a copy of the GNU General Public License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+from __future__ import annotations
 
 import argparse
 import os.path
 import sys
+from typing import Any
 
 try:
     import boxes.generators
@@ -40,8 +42,8 @@ class DefaultParams(boxes.Boxes):
 
 class Boxes2pot:
     def __init__(self) -> None:
-        self.messages = []
-        self.message_set = set()
+        self.messages: list[Any] = []
+        self.message_set: set[Any] = set()
         self.boxes = {b.__name__ : b() for b in boxes.generators.getAllBoxGenerators().values() if b.webinterface}
         self.groups = boxes.generators.ui_groups
         self.groups_by_name = boxes.generators.ui_groups_by_name
diff --git a/scripts/boxesserver b/scripts/boxesserver
index 154553a..367e10d 100755
--- a/scripts/boxesserver
+++ b/scripts/boxesserver
@@ -13,6 +13,7 @@
 #
 #   You should have received a copy of the GNU General Public License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+from __future__ import annotations
 
 import argparse
 import gettext
@@ -26,6 +27,7 @@ import tempfile
 import threading
 import time
 import traceback
+from typing import Any
 from urllib.parse import parse_qs
 from urllib.parse import unquote_plus, quote
 from wsgiref.simple_server import make_server
@@ -94,7 +96,7 @@ class BServer:
 
     def __init__(self) -> None:
         self.boxes = {b.__name__ : b for b in boxes.generators.getAllBoxGenerators().values() if b.webinterface}
-        self.boxes['TrayLayout2'] = boxes.generators.traylayout.TrayLayout2
+        self.boxes['TrayLayout2'] = boxes.generators.traylayout.TrayLayout2  # type: ignore  # no attribute "traylayout"
         self.groups = boxes.generators.ui_groups
         self.groups_by_name = boxes.generators.ui_groups_by_name
 
@@ -104,7 +106,7 @@ class BServer:
 
         self.staticdir = os.path.join(os.path.dirname(__file__), '../static/')
         self._languages = None
-        self._cache = {}
+        self._cache: dict[Any, Any] = {}
 
     def getLanguages(self, domain=None, localedir=None):
         if self._languages is not None: