class_docstr: An ArrayList is a strongly typed list whose type can be anything that can
  be interpreted as a numpy data type.
docstr: Describes the format of the elements in the buffer.
docstr_tok: ["Describes","the","format","of","the","elements","in","the","buffer","."]
code: def dtype(self):
      """Describes the format of the elements in the buffer."""
      return self._data.dtype
  
file_path: vispy/vispy/visuals/collections/array_list.py
imports: import numpy
label_desc: Use image node_id 5 for calling the ArrayList obj's underlying member method code with example usage: obj.dtype() and returns: self