<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def unbind(cell1, transform, moduleDimensions):
 """Return the cell index corresponding to the other half of the transform. Assumes that `transform = bind(cell1, cell2)` and, given `cell1` and `transform`, returns `cell2`. """

  cell1Coords = np.unravel_index(cell1, moduleDimensions)
  transformCoords = np.unravel_index(transform, moduleDimensions)
  cell2Coords = [(t + c1) % m
                 for c1, t, m in itertools.izip(cell1Coords, transformCoords,
                                                moduleDimensions)]
  return np.ravel_multi_index(cell2Coords, moduleDimensions)