old_contents: import pandas as pd
  
  
  def date_features(input_df, datetime_column='tms_gmt'):
      """
      Given a datetime column, extracts useful date information
      (minute, hour, dow...)
      """
      df = input_df.copy()
  
      return (df.set_index(time_column)
                .assign(minute=lambda df: df.index.minute,
                        hour=lambda df: df.index.hour,
                        day=lambda df: df.index.day,
                        dow=lambda df: df.index.dayofweek,
                        month=lambda df: df.index.month,
                        week=lambda df: df.index.week,
                        woy=lambda df: df.index.weekofyear,
                        year=lambda df: df.index.year))
  
new_contents: import pandas as pd
  import pytz
  
  
  def date_features(input_df, datetime_column='tms_gmt'):
      """
      Given a datetime column, extracts useful date information
      (minute, hour, dow...)
      """
      df = input_df.copy()
  
      return (df.set_index(time_column)
                .assign(minute=lambda df: df.index.minute,
                        hour=lambda df: df.index.hour,
                        day=lambda df: df.index.day,
                        dow=lambda df: df.index.dayofweek,
                        month=lambda df: df.index.month,
                        week=lambda df: df.index.week,
                        woy=lambda df: df.index.weekofyear,
                        year=lambda df: df.index.year))
  
  
  def localize_datetime(input_df, timezone='Europe/Paris',
                        datetime_column='tms_gmt'):
      """
      Convert datetime column from UTC to another timezone.
      """
      tmz = pytz.timezone(timezone)
      df = input_df.copy()
      return (df.set_index(datetime_column)
                .tz_localize(pytz.utc)  #  UTC time
                .tz_convert(tmz))  # Timezone time
  
subject: Add a datetime localization function