gnupolt not found problem, though had configured gnuplot environment variable（means I can get gnuplot version when type in 'gnuplot --version'）,
So I solved this by delete the three lines, and It worked
if not getgnuplotversion():
print 'gnuplot not found'
sys.exit(1)
gnupolt not found problem, though had configured gnuplot environment variable（means I can get gnuplot version when type in 'gnuplot --version'）,
So I solved this by delete the three lines, and It worked
if not getgnuplotversion():
print 'gnuplot not found'
sys.exit(1)