diff --git a/dzgui/api/bm.py b/dzgui/api/bm.py
index 80521e9..c2597f0 100644
--- a/dzgui/api/bm.py
+++ b/dzgui/api/bm.py
@@ -7,8 +7,6 @@ from dzgui.config.query import lookup
 from dzgui.const.endpoints import BM_SERVERS
 from dzgui.const.enum import Preferences
 
-from typing import Union
-
 logger = logging.getLogger(__name__)
 
 def get_attributes(config: Path, uid: int) -> str:
diff --git a/dzgui/api/mods.py b/dzgui/api/mods.py
index abf1246..a23bc20 100644
--- a/dzgui/api/mods.py
+++ b/dzgui/api/mods.py
@@ -17,7 +17,7 @@ from dzgui.const.constants import (
 )
 
 from dzgui.util.strings import checkmark
-from dzgui.config.query import enum_to_key, lookup
+from dzgui.config.query import lookup
 from dzgui.const.enum import Preferences
 
 from typing import Any
@@ -91,7 +91,7 @@ def get_delimited_mods(steam_path: Path) -> list[Any]:
     for mod in mods:
         mod_dir = mod.name
         symlink = _hash(mod_dir)
-        # NOTE: malformed .cpp files could break this
+        # FIXME: malformed .cpp files could break this
         # mention that mods may be downloading
         meta = parse_meta(mod)
         if meta is None:
diff --git a/dzgui/config/freedesktop.py b/dzgui/config/freedesktop.py
index 9cda9f6..5ddb20a 100644
--- a/dzgui/config/freedesktop.py
+++ b/dzgui/config/freedesktop.py
@@ -28,8 +28,8 @@ def write_shim_file(share_path: Path) -> None:
     """
     try:
         file.write_text(textwrap.dedent(template))
-        f.chmod(f.stat().st_mode | stat.S_IEXEC)
-    except OSError:
+        file.chmod(file.stat().st_mode | stat.S_IEXEC)
+    except OSError as e:
         logger.critical(e)
         return
     clear_old_path()
diff --git a/dzgui/config/uninstall.py b/dzgui/config/uninstall.py
index 973b221..fb40d2f 100644
--- a/dzgui/config/uninstall.py
+++ b/dzgui/config/uninstall.py
@@ -1,7 +1,8 @@
 import shutil
 from pathlib import Path
 
-def uninstall(path: Path) -> None
+def uninstall(path: Path) -> None:
+    pass
     # TODO: use xdg object?
     # partial/full (keep config?)
     # -u removes state, log
diff --git a/dzgui/controllers/mc.py b/dzgui/controllers/mc.py
index 8c321f7..2aa75eb 100644
--- a/dzgui/controllers/mc.py
+++ b/dzgui/controllers/mc.py
@@ -1,5 +1,4 @@
 import logging
-import re
 import shutil
 import threading
 import textwrap
diff --git a/dzgui/controllers/model.py b/dzgui/controllers/model.py
index a3dae37..a0474c1 100644
--- a/dzgui/controllers/model.py
+++ b/dzgui/controllers/model.py
@@ -62,7 +62,9 @@ class ModelManager:
     Methods are not thread-safe in themselves.
     """
 
-    def __init__(self):
+    # FIXME: do not manipulate keyword/map widgets in here
+
+    def __init__(self) -> None:
         self.filter_cache = {}
         self.ping_cache = {}
 
diff --git a/dzgui/init/migrate.py b/dzgui/init/migrate.py
index ecab06e..70ebbd6 100644
--- a/dzgui/init/migrate.py
+++ b/dzgui/init/migrate.py
@@ -47,7 +47,6 @@ def copy_state_files(state_path: Path) -> None:
 
 def copy_ipdb(ips_path: Path) -> None:
     home = Path.home()
-    name = "ips.csv"
     legacy = home / LEGACY_IPS_PATH
     if ips_path == legacy:
         return
diff --git a/dzgui/init/update.py b/dzgui/init/update.py
index c558d3e..222374c 100644
--- a/dzgui/init/update.py
+++ b/dzgui/init/update.py
@@ -1,11 +1,9 @@
 import requests
-import os
 import subprocess
 import sys
 
 from importlib import resources
 from packaging.version import Version, InvalidVersion
-from pathlib import Path
 
 from dzgui.const.constants import APP_NAME_LOWER, REQUEST_TIMEOUT
 from dzgui.const.endpoints import GITHUB_RELEASES, CODEBERG_RELEASES
diff --git a/dzgui/util/cooldown.py b/dzgui/util/cooldown.py
index 9126025..413a4d0 100644
--- a/dzgui/util/cooldown.py
+++ b/dzgui/util/cooldown.py
@@ -1,5 +1,4 @@
 from datetime import datetime
-from pathlib import Path
 
 def get_time() -> int:
     return int(datetime.now().timestamp())
diff --git a/dzgui/util/css.py b/dzgui/util/css.py
index c0ddc92114..d53188d 100644
--- a/dzgui/util/css.py
+++ b/dzgui/util/css.py
@@ -1,6 +1,6 @@
-import gi  # noqa E402
+import gi
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, Gdk
+from gi.repository import Gtk, Gdk  # noqa E402
 
 
 def add_class(widget: Gtk.Widget, label: str) -> None:
diff --git a/dzgui/util/deck.py b/dzgui/util/deck.py
index df66dc5..7599fcc 100644
--- a/dzgui/util/deck.py
+++ b/dzgui/util/deck.py
@@ -1,6 +1,5 @@
 import re
 import subprocess
-from pathlib import Path
 
 CPU_FILE = "/proc/cpuinfo"
 
diff --git a/dzgui/util/diag.py b/dzgui/util/diag.py
index aae4149..8d069c2 100644
--- a/dzgui/util/diag.py
+++ b/dzgui/util/diag.py
@@ -1,7 +1,5 @@
 import os
 import platform
-import re
-import textwrap
 
 from datetime import datetime
 from pathlib import Path
diff --git a/dzgui/util/ip.py b/dzgui/util/ip.py
index 4c1bf2f..5b2057b 100644
--- a/dzgui/util/ip.py
+++ b/dzgui/util/ip.py
@@ -1,5 +1,4 @@
 import a2s
-import gzip
 import requests
 import shutil
 import subprocess
diff --git a/dzgui/util/keys.py b/dzgui/util/keys.py
index 71c9064..bf8c363 100644
--- a/dzgui/util/keys.py
+++ b/dzgui/util/keys.py
@@ -1,6 +1,6 @@
-import gi  # noqa E402
+import gi
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gdk
+from gi.repository import Gdk  # noqa E402
 
 def is_navkey(key: int) -> bool:
     nav_keys = [
diff --git a/dzgui/util/localize.py b/dzgui/util/localize.py
index d3c9988..5fe9fc6 100644
--- a/dzgui/util/localize.py
+++ b/dzgui/util/localize.py
@@ -10,7 +10,7 @@ def number(num: int | float) -> str:
     return locale.format_string(spec, num, grouping=True)
 
 
-def set_locale():
+def set_locale() -> None:
     locale.setlocale(locale.LC_ALL, "")
     user_loc = loc if (loc := os.getenv("LC_CTYPE")) else "en_US.UTF-8"
-    locale.setlocale(locale.LC_NUMERIC, loc)
+    locale.setlocale(locale.LC_NUMERIC, user_loc)
diff --git a/dzgui/util/margins.py b/dzgui/util/margins.py
index 726ace6..f4f8883 100644
--- a/dzgui/util/margins.py
+++ b/dzgui/util/margins.py
@@ -1,6 +1,6 @@
-import gi  # noqa E402
+import gi
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk
+from gi.repository import Gtk  # noqa E402
 
 def set_surrounding_margins(widget: Gtk.Widget, margin: int) -> None:
     """
diff --git a/dzgui/util/open_links.py b/dzgui/util/open_links.py
index f32cac5..7d0f92e 100644
--- a/dzgui/util/open_links.py
+++ b/dzgui/util/open_links.py
@@ -1,5 +1,4 @@
 import os
-import shlex
 import subprocess
 
 from dzgui.const.constants import APPID_DAYZ
diff --git a/dzgui/util/strings.py b/dzgui/util/strings.py
index ca9d277..2129746 100644
--- a/dzgui/util/strings.py
+++ b/dzgui/util/strings.py
@@ -1,5 +1,4 @@
 from dataclasses import dataclass
-from typing import List, Dict
 
 from dzgui.const.constants import SYSTEM_LOG
 
diff --git a/dzgui/util/symlink.py b/dzgui/util/symlink.py
index f0742ab..0c847e0 100644
--- a/dzgui/util/symlink.py
+++ b/dzgui/util/symlink.py
@@ -1,4 +1,3 @@
-import hashlib
 import logging
 from pathlib import Path