diff --git a/dzgui/controllers/emitter.py b/dzgui/controllers/emitter.py
index d70c47d..c90aef7 100644
--- a/dzgui/controllers/emitter.py
+++ b/dzgui/controllers/emitter.py
@@ -1,4 +1,4 @@
-from typing import TYPE_CHECKING, Union
+from typing import TYPE_CHECKING
 
 import gi
 
diff --git a/dzgui/managers/offline.py b/dzgui/managers/offline.py
index 891bbdd..99efca7 100644
--- a/dzgui/managers/offline.py
+++ b/dzgui/managers/offline.py
@@ -5,7 +5,7 @@ from typing import Callable, TYPE_CHECKING, Union
 import dzgui.api.pefile as PeFile
 from dzgui.api.mods import is_mission, get_custom_mods
 from dzgui.api.steam import launch_offline
-from dzgui.const.constants import APP_NAME
+from dzgui.const.constants import APP_NAME, APPID_DAYZ_EXP
 from dzgui.const.enum import Preferences
 from dzgui.managers.threading import call_on_thread, StoredFunc, ThreadingManager
 from dzgui.model.model_factory import ModelFactory
diff --git a/dzgui/util/symlink.py b/dzgui/util/symlink.py
index 802597f..50fd6fb 100644
--- a/dzgui/util/symlink.py
+++ b/dzgui/util/symlink.py
@@ -33,7 +33,9 @@ def rebuild_symlinks(config: Path) -> None:
     clone_symlinks(steam_path)
 
 
-def create_custom_symlinks(steam_path: Path, custom_dir: Path, uids: list[str]) -> None:
+def create_custom_symlinks(
+    steam_path: Path, custom_dir: Path, uids: list[str]
+) -> list[str]:
     dayz_path = PeFile.get_nested_app_path(steam_path, APPID_DAYZ)
     links = []
     for uid in uids:
@@ -47,7 +49,6 @@ def create_custom_symlinks(steam_path: Path, custom_dir: Path, uids: list[str])
     return links
 
 
-
 def clone_symlinks(steam_path: Path) -> None:
     """
     Shares symlinks between builds. Used after any symlink operation
diff --git a/dzgui/views/dialogs/filepicker.py b/dzgui/views/dialogs/filepicker.py
index a219f49..1f9e0b2 100644
--- a/dzgui/views/dialogs/filepicker.py
+++ b/dzgui/views/dialogs/filepicker.py
@@ -56,9 +56,12 @@ class FolderPicker(Gtk.FileChooserDialog):
             folder = self.get_current_folder()
             if folder is None:
                 try:
-                    folder = Path.from_uri(self.get_uri())
+                    uri = self.get_uri()
+                    if uri is None:
+                        return None
+                    return Path.from_uri(uri)
                 except Exception:
-                    # FIXME
+                    # FIXME: edge cases
                     return Path("/")
             self.destroy()
             return Path(folder)
diff --git a/dzgui/views/pages/offline.py b/dzgui/views/pages/offline.py
index 377c369..9a3d3bc 100644
--- a/dzgui/views/pages/offline.py
+++ b/dzgui/views/pages/offline.py
@@ -12,7 +12,7 @@ from dzgui.const.constants import (
     ERROR,
     FOLDER,
 )
-from dzgui.const.enum import NotebookPage, Preferences
+from dzgui.const.enum import NotebookPage
 from dzgui.managers.offline import OfflineManager
 from dzgui.strings import generic, offline
 from dzgui.views.components.buttons import Icon, IconTextButton
@@ -130,9 +130,6 @@ class FolderHBox(HBox):
         self.spinner.hide()
         self.spinner.stop()
 
-    def get_spinner(self) -> None:
-        return self.spinner
-
     def _on_unmap(self, widget: Self) -> None:
         self.unset_button.hide()
         self.label.set_label("")
@@ -216,7 +213,6 @@ class ModFrame(HeadingFrame):
         model, treeiters = self.tree.get_selection().get_selected_rows()
         if model is None:
             return []
-        # TODO: include mod paths for custom mods
         if type(self) is CustomModFrame:
             return [model[_iter][2] for _iter in treeiters]
         else:
@@ -459,11 +455,9 @@ class OfflineLoader(Gtk.Box):
             self.back.emit("clicked")
 
     def populate(self, store: Union["FastInsertListStore", None]) -> None:
-        # NOTE: suppress custom tree until explicitly loaded
         if store is None:
             return
         self.local_frame.start(store)
-        # self.custom_frame.start(store)
 
     def _on_back_clicked(self, button: Gtk.Button) -> None:
         self.controller.open_page(NotebookPage.MODS)