class_docstr: I;16B access, with conversion
code: def _post_init(self, *args, **kwargs):
      self.pixels = ffi.cast("struct Pixel_I16 **", self.image)
  
imports: import logging
  import sys
label_desc: Use image node_id 1 for calling the _PyAccessI16_B obj's underlying member method code with example usage: obj._post_init() without return types