code: def handle_dividends_paid(self, net_cash_payment):
      if net_cash_payment:
          self.handle_cash_payment(net_cash_payment)
      self.calculate_performance()
  
imports: from __future__ import division
  import logbook
  import numpy
  from collections import namedtuple
  from catalyst.assets import Future
  from six import itervalues, iteritems
  import catalyst.protocol
  from catalyst.constants import LOG_LEVEL
label_desc: Use image node_id 9 for calling the PerformancePeriod obj's underlying member method code with example usage: obj.handle_dividends_paid(net_cash_payment) without return types