diff --git a/__init__.py b/__init__.py
index fd1357d..7be2f5c 100644
--- a/__init__.py
+++ b/__init__.py
@@ -30,6 +30,7 @@ def register():
 
     # Register Keymaps
     wm = bpy.context.window_manager
+    assert wm
     if wm.keyconfigs.addon:
         km = wm.keyconfigs.addon.keymaps.new(name='Node Editor', space_type='NODE_EDITOR')
         kmi = km.keymap_items.new("slicenode.group_make", 'G', 'PRESS', ctrl=True)
diff --git a/core/nodeslicer/tree.py b/core/nodeslicer/tree.py
index e2e0dca..a565144 100644
--- a/core/nodeslicer/tree.py
+++ b/core/nodeslicer/tree.py
@@ -143,10 +143,11 @@ class SLICENODE_OT_GroupToggle(Operator):
 
     @classmethod
     def poll(cls, context):
+        assert context.space_data
         return (context.space_data.type == 'NODE_EDITOR' and 
-                context.space_data.tree_type == "SLICETREE_NodeTree")
+                context.space_data.tree_type == "SLICETREE_NodeTree")  # pyright: ignore[reportAttributeAccessIssue]
 
-    def execute(self, context):
+    def execute(self, context) -> set[OperatorReturnItems]:
         space = context.space_data
         path = getattr(space, 'path', None)
         if not path:
@@ -179,16 +180,17 @@ class SLICENODE_OT_GroupMake(Operator):
 
     @classmethod
     def poll(cls, context):
+        assert context.space_data
         return (context.space_data.type == 'NODE_EDITOR' and 
-                context.space_data.edit_tree and 
-                context.space_data.edit_tree.bl_idname == "SLICETREE_NodeTree" and
-                any(n.select for n in context.space_data.edit_tree.nodes))
+                context.space_data.edit_tree and # pyright: ignore[reportAttributeAccessIssue, reportOptionalMemberAccess]
+                context.space_data.edit_tree.bl_idname == "SLICETREE_NodeTree" and # pyright: ignore[reportAttributeAccessIssue, reportOptionalMemberAccess]
+                any(n.select for n in context.space_data.edit_tree.nodes)) # pyright: ignore[reportAttributeAccessIssue, reportOptionalMemberAccess]
 
     def execute(self, context):
         import bpy
         from mathutils import Vector
         space = context.space_data
-        tree = space.edit_tree
+        tree = space.edit_tree # pyright: ignore[reportAttributeAccessIssue, reportOptionalMemberAccess]
         
         selected_nodes = [n for n in tree.nodes if n.select and n.bl_idname != 'NodeReroute']
         if not selected_nodes:
diff --git a/infra/blender/blender_slice_nodes_generic.py b/infra/blender/blender_slice_nodes_generic.py
index dc625fc..4de1293 100644
--- a/infra/blender/blender_slice_nodes_generic.py
+++ b/infra/blender/blender_slice_nodes_generic.py
@@ -190,7 +190,7 @@ class SLICENODE_Group(bpy.types.NodeCustomGroup, AutoBlIdName):
             
         self.sync_sockets()
 
-    slicer_tree: bpy.props.PointerProperty(
+    slicer_tree: bpy.props.PointerProperty(  # pyright: ignore[reportInvalidTypeForm]
         type=bpy.types.NodeTree,
         name="Node Tree",
         update=_tree_updated