diff --git a/examples/cavity_scan.py b/examples/cavity_scan.py index 10b196eef46ef62a8cbf7a89bc2092c7e411c61d..b653ac74054099da9c3838a6e04e2ced3663af26 100644 --- a/examples/cavity_scan.py +++ b/examples/cavity_scan.py @@ -1,4 +1,8 @@ # -*- coding: utf-8 -*- +from __future__ import absolute_import +from __future__ import division +from __future__ import print_function +from __future__ import unicode_literals """ Fabry-Perot cavity scan example. @@ -314,14 +318,14 @@ r = kat.run() # output the raw FINESSE file that PyKat has generated scriptList = kat.generateKatScript() -print ''.join(scriptList) +print (''.join(scriptList)) # calculate and print cavity finesse r1r2 = np.sqrt(parameters['cavity']['itm']['reflectivity']['inner']) * np.sqrt(parameters['cavity']['etm']['reflectivity']['inner']) finesse = np.pi / (2 * np.arcsin((1 - r1r2) / (2 * np.sqrt(r1r2)))) -print "Cavity finesse: {0:.0f}".format(finesse) +print ("Cavity finesse: {0:.0f}".format(finesse)) # create plot pl.plot(r.x, r.y)