Command cleans topology of subdiv surfaces - at all levels. It cleans the geometry of vertices that satisfy the following conditions: - Zero edits - Default uvs (uvs obtained by subdividing parent face). - No creases.
Derived from mel command maya.cmds.subdCleanTopology
Example:
import pymel.core as pm
import maya.cmds as cmds
# To clean topology of two subdiv surfaces.
pm.subdCleanTopology( 'surface', 'surface2' )