class_docstr: WIT widget for Jupyter.
class_docstr_tok: ["WIT","widget","for","Jupyter","."]
code: def _send_example_batch(self, change):
      if not self.transfer_block:
          return
      # Do not trigger at the end of a transfer.
      if self.examples_batch_id < 0 or self.examples_generator is None:
          self.transfer_block = False
          return
      self.examples_batch, num_remaining = next(
          self.examples_generator, ([], -1)
      )
      if num_remaining == 0:
          self.examples_generator = None
          self.transfer_block = False
  
imports: import math
  import ipywidgets
  import tensorflow
  from IPython.core.display import display, HTML
  from ipywidgets import Layout
  from traitlets import Dict
  from traitlets import Int
  from traitlets import List
  from traitlets import observe
  from traitlets import Unicode
  from traitlets import Set
  from witwidget.notebook import base
label_desc: Use image node_id 12 for calling the WitWidget obj's underlying member method code with example usage: obj._send_example_batch(change) without return types