plot_tabcounts.py

#!/usr/bin/env python
import csv

import matplotlib.pyplot as plt
from matplotlib import dates
from datetime import datetime

X = []
Y = []

with open('tabcounts.csv', 'rb') as csvfile:
    for row in csv.reader(csvfile):
        X.append(dates.date2num(datetime.fromtimestamp(float(row[0]) / 1000)))
        Y.append(int(row[1]))

plt.plot_date(X, Y, 'b-')
plt.show()