def draw_y_labels(self):
		"Draw the Y axis labels"
		if not self.show_y_labels:
			# do nothing
			return

		labels = self.get_y_labels()
		count = len(labels)

		labels = enumerate(iter(labels))
		start = int(not self.step_include_first_y_label)
		labels = itertools.islice(labels, start, None, self.step_y_labels)
		list(map(self.draw_y_label, labels))
		self.draw_y_guidelines(self.field_height(), count)
Draw the Y axis labels