class_docstr: This processor tries to resample the data. It will reasmple the data from 1min freq to day freq by selecting a specific miniute
code: def __call__(self, df: pd.DataFrame, *args, **kwargs):
      df.index = pd.to_datetime(df.index)
      df = df.loc[
          df.index.time == datetime.time(self.hour, self.minute)
      ]
      df.index = df.index.normalize()
      return df
  
imports: import datetime
  import pandas
  from qlib.data.inst_processor import InstProcessor
label_desc: Use image node_id 2 for calling the Resample1minProcessor obj's underlying member method code with example usage: obj.__call__(df) and returns: df