class_docstr: Converts features in PandasDataFrame to VW format
  Ref: https://github.com/VowpalWabbit/vowpal_wabbit/wiki/Input-format
docstr: The sanify is performed because : and | are reserved by vowpal wabbit for distinguishing namespaces and numeric
  data
  @param s: input string
  @returns string
code: def __sanify(self, s) -> str:
      """
      The sanify is performed because : and | are reserved by vowpal wabbit for distinguishing namespaces and numeric
      data
      @param s: input string
      @returns string
      """
      return str(s).replace(":", ";").replace("|", "/")
  
file_path: autogluon/tabular/src/autogluon/tabular/models/vowpalwabbit/vowpalwabbit_utils.py
imports: import pandas
  from autogluon.common.features.types import R_CATEGORY, R_FLOAT, R_INT, S_TEXT
label_desc: Use image node_id 4 for calling the VWFeaturesConverter obj's underlying member method code with example usage: obj.__sanify(s) and returns: str