diff --git a/PendulumPython/pend.py b/PendulumPython/pend.py
index b9d0d43938b4c52bedff68543fe2a4540197b065..a51e28e78f78f38b54b11e392b84295fd98efa19 100644
--- a/PendulumPython/pend.py
+++ b/PendulumPython/pend.py
@@ -57,7 +57,7 @@ time = c.defineNumber('Dyna/time [s]', value=0.0)
 dt = c.defineNumber('Dyna/time step [s]', value=0.001)
 tmax = c.defineNumber('Dyna/max time [s]', value=20)
 refresh = c.defineNumber('Dyna/refresh interval [s]', value=0.1)
-theta0 = c.defineNumber('Init/initial theta angle [deg]', value=10, 
+theta0 = c.defineNumber('Init/initial theta angle [deg]', value=10,
                          attributes={'Highlight':'Pink'})
 phi0 = c.defineNumber('Init/initial phi angle [deg]', value=180,
                        attributes={'Highlight':'Pink'})
@@ -71,7 +71,7 @@ if c.action == 'check' :
    exit(0)
 
 # In 'compute' mode, the code enters a loop and performs the actual computation.
-   
+
 l1 = l;
 l2 = l;
 m1 = m;
@@ -93,13 +93,13 @@ while (time < tmax):
                      + m2*l2*(phi_dot**2.0)*sdelta
                      - (m1+m2)*g*math.sin(theta) )
    theta_dot_dot /= ( (m1+m2)*l1 - m2*l1*(cdelta)**2.0 )
-   
+
    phi_dot_dot = ( -m2*l2*(phi_dot**2.0)*sdelta*cdelta
                     + (m1+m2)*(g*math.sin(theta)*cdelta
                                - l1*(theta_dot**2.0)*sdelta
                                - g*math.sin(phi)) )
    phi_dot_dot /= ( (m1+m2)*l2 - m2*l2*(cdelta)**2.0 )
-   
+
    theta_dot = theta_dot + theta_dot_dot*dt
    phi_dot = phi_dot + phi_dot_dot*dt