diff --git a/bms/blocks/nonlinear.py b/bms/blocks/nonlinear.py
index 798d592..675931e 100644
--- a/bms/blocks/nonlinear.py
+++ b/bms/blocks/nonlinear.py
@@ -62,8 +62,8 @@ def Evaluate(self, it, ts):
 
         delay_in_steps = int(self.delay // ts)
         delay_remainder = self.delay % ts
-        if it - delay_in_steps-1 < 0:
-            print(it, 'a', self.inputs[0].initial_values[-1])
+        if (it - delay_in_steps -1) < 0:
+#            print(it, 'a', self.inputs[0].initial_values[-1])
             return self.inputs[0].initial_values[-1]
         else:
             # Performing interpolation
diff --git a/scripts/delay.py b/scripts/delay.py
index 346876c..f999229 100644
--- a/scripts/delay.py
+++ b/scripts/delay.py
@@ -1,7 +1,7 @@
 from bms.blocks import Delay
 from bms.core import DynamicSystem
 from bms.signals.functions import Ramp
-from bms.core import Signal, Variable
+from bms.core import Variable
 
 
 """ test that we can delay a signal by 2 seconds
@@ -10,7 +10,7 @@
 """
 delay = 2.3   # time
 end_time = 10
-time_step = 20
+time_step = 200
 input_ = Ramp()
 output_ = Variable(('output', 'o'))
 delay = Delay(input_, output_, delay)