code: def get_value(self, dt):
      try:
          series = self._precalculated_series
          value = series.loc[dt]
          return value
      except Exception:
          # TODO: workaround, find permanent fix
          return 0
  
file_path: catalyst/catalyst/sources/benchmark_source.py
imports: import pandas
  from catalyst.errors import InvalidBenchmarkAsset, BenchmarkAssetNotAvailableTooEarly, BenchmarkAssetNotAvailableTooLate
label_desc: Use image node_id 2 for calling the BenchmarkSource obj's underlying member method code with example usage: obj.get_value(dt) and returns: value, int