code: def get_header(self, stream_name):
      return self.streams[stream_name]
  
file_path: recommenders/examples/07_tutorials/KDD2020-tutorial/utils/PandasMagClass.py
imports: import numpy
  import pandas
label_desc: Use image node_id 3 for calling the MicrosoftAcademicGraph obj's underlying member method code with example usage: obj.get_header(stream_name) and returns: self