docstr: Make sure `df[date_field]` is of the right date type.
  
  Args:
      df (DataFrame): Dataframe
  
      date_field (str): Date field name
  
  Returns:
      Dataframe with date field converted to datetime
docstr_tok: ["Make","sure","`","df","[","date_field","]","`","is","of","the","right","date","type",".","Args",":","df","(","DataFrame",")",":","Dataframe","date_field","(","str",")",":","Date","field","name","Returns",":","Dataframe","with","date","field","converted","to","datetime"]
code: def make_date(
      cls, df: DataFrame, date_field: str, date_format: str = "ISO8601"
  ) -> DataFrame:
      """Make sure `df[date_field]` is of the right date type.
  
      Args:
          df (DataFrame): Dataframe
  
          date_field (str): Date field name
  
      Returns:
          Dataframe with date field converted to datetime
      """
      field_dtype = df[date_field].dtype
      if isinstance(field_dtype, DatetimeTZDtype):
          field_dtype = np.datetime64
      if not np.issubdtype(field_dtype, np.datetime64):
          df[date_field] = to_datetime(
              df[date_field], format=date_format
          )
      return df
  
imports: import re
  import warnings
  from enum import Enum
  from pathlib import Path
  from typing import Dict, Iterable, List, Optional, Tuple, Union
  import joblib
  import numpy
  import pandas
  import pytorch_lightning
  import torch
  from omegaconf import DictConfig
  from pandas import DataFrame, DatetimeTZDtype, to_datetime
  from pandas.tseries import offsets
  from pandas.tseries.frequencies import to_offset
  from sklearn.base import TransformerMixin, copy
  from sklearn.preprocessing import FunctionTransformer, LabelEncoder, PowerTransformer, QuantileTransformer, StandardScaler
  from torch.utils.data import DataLoader, Dataset
  from pytorch_tabular.config import InferredConfig
  from pytorch_tabular.utils import get_logger
  from .categorical_encoders import OrdinalEncoder
label_desc: Use image node_id 28 for calling the TabularDatamodule obj's underlying member method code with example usage: obj.make_date(cls, df, date_field, date_format) and returns: df