code: def align_words(self, word_size):
      return _exact_div(self.align_bytes(word_size), word_size)
  
imports: import pycuda.driver
  import pycuda._driver
  import numpy
  from pycuda.compyte.dtypes import register_dtype, get_or_register_dtype, _fill_dtype_registry, dtype_to_ctype
label_desc: Use image node_id 4 for calling the DeviceData obj's underlying member method code with example usage: obj.align_words(word_size) and returns: _exact_div