class_docstr: Swap a running blocks class in a notebook with the latest cell contents.
code: def current_cell(self):
      return self._cell_tracker.current_cell
  
file_path: gradio/gradio/ipython_ext.py
imports: import gradio
  from gradio.networking import App
  from gradio.utils import BaseReloader
label_desc: Use image node_id 2 for calling the JupyterReloader obj's underlying member method code with example usage: obj.current_cell() and returns: self