diff --git a/y2014/control_loops/python/claw.py b/y2014/control_loops/python/claw.py
index 91f48de..e6242ec 100755
--- a/y2014/control_loops/python/claw.py
+++ b/y2014/control_loops/python/claw.py
@@ -228,7 +228,7 @@
     #self.K = numpy.matrix([[50.0, -100.0, 0, -10, 0],
     #                       [50.0,  100.0, 0, 10, 0]])
 
-    controlability = controls.ctrb(self.A, self.B);
+    controlability = controls.ctrb(self.A, self.B)
     print "Rank of augmented controlability matrix.", numpy.linalg.matrix_rank(controlability)
 
     print "K"
diff --git a/y2014/control_loops/python/polydrivetrain.py b/y2014/control_loops/python/polydrivetrain.py
index fcf4b5b..b6fecc6 100755
--- a/y2014/control_loops/python/polydrivetrain.py
+++ b/y2014/control_loops/python/polydrivetrain.py
@@ -110,8 +110,8 @@
     self.B_continuous = numpy.matrix(
         [[self._drivetrain.B_continuous[1, 0], self._drivetrain.B_continuous[1, 1]],
          [self._drivetrain.B_continuous[3, 0], self._drivetrain.B_continuous[3, 1]]])
-    self.C = numpy.matrix(numpy.eye(2));
-    self.D = numpy.matrix(numpy.zeros((2, 2)));
+    self.C = numpy.matrix(numpy.eye(2))
+    self.D = numpy.matrix(numpy.zeros((2, 2)))
 
     self.A, self.B = self.ContinuousToDiscrete(self.A_continuous,
                                                self.B_continuous, self.dt)
diff --git a/y2014/control_loops/python/shooter.py b/y2014/control_loops/python/shooter.py
index 379bd0a..aab539f 100755
--- a/y2014/control_loops/python/shooter.py
+++ b/y2014/control_loops/python/shooter.py
@@ -208,7 +208,7 @@
     U = ClipDeltaU(sprung_shooter, voltage, U)
     sprung_shooter.Y = raw_sprung_shooter.Y + 0.01
     sprung_shooter.UpdateObserver(U)
-    voltage += U;
+    voltage += U
     raw_sprung_shooter.Update(voltage)
     close_loop_x.append(raw_sprung_shooter.X[0, 0] * 10)
     close_loop_u.append(voltage[0, 0])
@@ -230,7 +230,7 @@
     U = ClipDeltaU(shooter, voltage, U)
     shooter.Y = raw_shooter.Y + 0.01
     shooter.UpdateObserver(U)
-    voltage += U;
+    voltage += U
     raw_shooter.Update(voltage)
     close_loop_x.append(raw_shooter.X[0, 0] * 10)
     close_loop_u.append(voltage[0, 0])