class_docstr: This model will load a score file, and return score at date exists in score file.
code: def score(self, x_test, **kwargs):
      return
  
file_path: qlib/qlib/contrib/online/online_model.py
imports: import random
  import pandas
  from ...data import D
  from ..model.base import Model
label_desc: Use image node_id 4 for calling the ScoreFileModel obj's underlying member method code with example usage: obj.score(x_test) without return types