class_docstr: https://school.stockcharts.com/doku.php?id=technical_indicators:accumulation_distribution_line
class_docstr_tok: ["https",":","\/\/school.stockcharts.com\/doku.php","?","id=technical_indicators",":","accumulation_distribution_line"]
code: def setUpClass(cls):
      cls._df = pd.read_csv(cls._filename, sep=",")
      cls._params = {
          "high": cls._df["High"],
          "low": cls._df["Low"],
          "close": cls._df["Close"],
          "volume": cls._df["Volume"],
          "fillna": False,
      }
      cls._indicator = AccDistIndexIndicator(**cls._params)
  
imports: import unittest
  import pandas
  from ta.volume import AccDistIndexIndicator, EaseOfMovementIndicator, ForceIndexIndicator, MFIIndicator, OnBalanceVolumeIndicator, VolumePriceTrendIndicator, VolumeWeightedAveragePrice, acc_dist_index, ease_of_movement, force_index, money_flow_index, on_balance_volume, sma_ease_of_movement, volume_price_trend, volume_weighted_average_price
label_desc: Use image node_id 1 for calling the TestAccDistIndexIndicator obj's underlying member method code with example usage: obj.setUpClass(cls) without return types