class_docstr: Class that for helping write the animated GIF file. This is based on
  code from images2gif.py (part of visvis). The version here is modified
  to allow streamed writing.
class_docstr_tok: ["Class","that","for","helping","write","the","animated","GIF","file",".","This","is","based","on","code","from","images2gif.py","(","part","of","visvis",")",".","The","version","here","is","modified","to","allow","streamed","writing","."]
code: def write_header(self, im, globalPalette, loop):
      # Gather info
      header = self.getheaderAnim(im)
      appext = self.getAppExt(loop)
      # Write
      self.fp.write(header)
      self.fp.write(globalPalette)
      self.fp.write(appext)
  
file_path: imageio/imageio/plugins/pillowmulti.py
imports: import logging
  import numpy
  from .pillow_legacy import PillowFormat, image_as_uint, ndarray_to_pil
label_desc: Use image node_id 3 for calling the GifWriter obj's underlying member method code with example usage: obj.write_header(im, globalPalette, loop) without return types