old_contents: import abc
  
  import six
  
  from tempora import schedule
  
  
  @six.add_metaclass(abc.ABCMeta)
  class IScheduler(object):
      @abc.abstractmethod
      def execute_every(self, period, func):
          "execute func every period"
  
      @abc.abstractmethod
      def execute_at(self, when, func):
          "execute func at when"
  
      @abc.abstractmethod
      def execute_after(self, delay, func):
          "execute func after delay"
  
      @abc.abstractmethod
      def run_pending(self):
          "invoke the functions that are due"
  
  
  class DefaultScheduler(schedule.InvokeScheduler, IScheduler):
      def execute_every(self, period, func):
          self.add(schedule.PeriodicCommand.after(period, func))
  
      def execute_at(self, when, func):
          self.add(schedule.DelayedCommand.at(when, func))
  
      def execute_after(self, delay, func):
          self.add(schedule.DelayedCommand.after(delay, func))
  
new_contents: import abc
  
  import six
  
  from tempora import schedule
  
  
  @six.add_metaclass(abc.ABCMeta)
  class IScheduler(object):
      @abc.abstractmethod
      def execute_every(self, period, func):
          "execute func every period"
  
      @abc.abstractmethod
      def execute_at(self, when, func):
          "execute func at when"
  
      @abc.abstractmethod
      def execute_after(self, delay, func):
          "execute func after delay"
  
      @abc.abstractmethod
      def run_pending(self):
          "invoke the functions that are due"
  
  
  class DefaultScheduler(schedule.InvokeScheduler, IScheduler):
      def execute_every(self, period, func):
          self.add(schedule.PeriodicCommand.after(period, func))
  
      def execute_at(self, when, func):
          self.add(schedule.DelayedCommand.at_time(when, func))
  
      def execute_after(self, delay, func):
          self.add(schedule.DelayedCommand.after(delay, func))
  
subject: Fix DelayedCommand method name in schedule.execute_at