class_docstr: Class that defines the methods necessary to hook into process.
class_docstr_tok: ["Class","that","defines","the","methods","necessary","to","hook","into","process","."]
code: def on_train_start(self, model, config, *args, **kwargs):
      logger.info("wandb.on_train_start() called...")
      config = config.copy()
      del config["input_features"]
      del config["output_features"]
      wandb.config.update(config)
  
file_path: ludwig/ludwig/contribs/wandb.py
imports: import logging
  import os
  from ludwig.api_annotations import PublicAPI
  from ludwig.callbacks import Callback
  from ludwig.utils.package_utils import LazyLoader
label_desc: Use image node_id 2 for calling the WandbCallback obj's underlying member method code with example usage: obj.on_train_start(model, config) without return types