import tables
import tables as tb
import fipy
import fipy as fp
import numpy
import numpy as np
import scipy
import scipy as sp
import pylab
import pylab as pl


import tables
import tables as tb
import fipy
import fipy as fp
import numpy
import numpy as np
import scipy
import scipy as spy
import matplotlib.pylot as plt



Use canonical matplotlib.pyplot as plt.
Use canonical matplotlib.pyplot as plt.
