code: def load_feedback(reader: Reader = None) -> List:
      """Load user-item feedback
  
      Parameters
      ----------
      reader: `obj:cornac.data.Reader`, default: None
          Reader object used to read the data.
  
      Returns
      -------
      data: array-like
          Data in the form of a list of tuples (user, item, 1).
  
      """
      fpath = cache(
          url="https://static.preferred.ai/cornac/datasets/tradesy/users.zip",
          unzip=True,
          relative_path="tradesy/users.csv",
      )
      reader = Reader() if reader is None else reader
      return reader.read(fpath, fmt="UI", sep=",")
  
imports: from typing import List
  import numpy
  from ..utils import cache
  from ..data import Reader
  from ..data.reader import read_text
label_desc: Use image node_id 1 for calling a global function with example usage: load_feedback(reader) and returns: reader