code: def copy(self):
          '''Create a copy of the current instance.
  
          :returns: A safely editable copy of the current sequence.
  
          '''
          # Significant performance improvements by skipping alphabet check
          return type(self)(self.seq, self.material, run_checks=Falsef copy(self):
          '''Create a copy of the current instance.
  
          :returns: A safely editable copy of the current sequence.
  
          '''
          # Significant performance improvements by skipping alphabet check
          return type(self)(self.seq, self.material, run_checks=False)
docs: Create a copy of the current instance.
  
          :returns: A safely editable copy of the current sequence.