removed faulty system import

icam0 · icam0 · commit 0cf39895f398 · 2018-05-25T16:48:09.000+02:00
diff --git a/control/freqplot.py b/control/freqplot.py
@@ -45,7 +45,6 @@
 import scipy as sp
 import numpy as np
 import math
-import sys as system
 from .ctrlutil import unwrap
 from .bdalg import feedback
 from .margins import stability_margins
