code: def next(self):
      self.lines.signal[0] = 0.0
  
file_path: backtrader/samples/credit-interest/credit-interest.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import argparse
  import collections
  import datetime
  import itertools
  import backtrader
label_desc: Use image node_id 1 for calling the NoExit obj's underlying member method code with example usage: obj.next() without return types