code: def format_smart(x, pos=None):
      return sv_html_formatters.fmt_smart(x)
  
file_path: sweetviz/sweetviz/graph.py
imports: import matplotlib
  import os.path
  import matplotlib.pyplot
  import matplotlib.font_manager
  from io import BytesIO
  import base64
  from pkg_resources import resource_filename
  from pandas.plotting import register_matplotlib_converters
  from sweetviz import sv_html_formatters
  from sweetviz.config import config
label_desc: Use image node_id 4 for calling the Graph obj's underlying member method code with example usage: obj.format_smart(x, pos) and returns: sv_html_formatters