needed to import issiso, for the evalfr function

repagh · repagh · commit b10c8617d338 · 2013-06-12T09:50:17.000Z
diff --git a/src/matlab.py b/src/matlab.py
@@ -89,6 +89,7 @@
 from control.statesp import StateSpace, _rss_generate, _convertToStateSpace
 from control.xferfcn import TransferFunction, _convertToTransferFunction
 from control.lti import Lti #base class of StateSpace, TransferFunction
+from control.lti import issiso
 from control.frdata import FRD
 from control.dtime import sample_system
 from control.exception import ControlArgument
