code: def _handle_data(context, data):
      global symbols
      if symbols is None:
          symbols = [symbol(c + "_usdt") for c in coins]
  
      print("getting history for: %s" % [s.symbol for s in symbols])
      history = data.history(
          symbols,
          ["close", "volume"],
          bar_count=1,  # EXCEPTION, Change to 2
          frequency="5T",
      )
      print("history: %s" % history.shape)
  
imports: from catalyst.api import symbol
  from catalyst.utils.run_algo import run_algorithm
label_desc: Use image node_id 2 for calling a global function with example usage: _handle_data(context, data) without return types