Merge duplicate vertices

import_geo.py

@@ -158,6 +158,14 @@ def load(operator, context, scale = 1.0, filepath = "", global_matrix = None, us
         bpy.context.collection.objects.link(obj)
         bpy.context.view_layer.objects.active = obj
 
+        # Remove duplicate vertices
+        pop_mode = obj.mode
+        bpy.ops.object.mode_set(mode='EDIT')
+        bpy.ops.mesh.select_all(action='SELECT')
+        bpy.ops.mesh.remove_doubles(threshold=0.0)
+        bpy.ops.mesh.select_all(action='DESELECT')
+        bpy.ops.object.mode_set(mode=pop_mode)
+
         #Try and attach it to the armature.
         if armature != None:
             bone_name = geo_model.getBoneRoot()