Update app.py

app.py

@@ -95,10 +95,7 @@ def fourier_transform_drawing(input_image, frames, coefficients):
         draw_x.append(center[0])
         draw_y.append(center[1])
 
-        if i > 0:
-            drawing.set_data([draw_x[i-1], draw_x[i]], [draw_y[i-1], draw_y[i]])
-        else:
-            drawing.set_data(draw_x[i], draw_y[i])
+        drawing.set_data(draw_x[:i+1], draw_y[:i+1])
 
     drawing_time = 1
     time = np.linspace(0, drawing_time, num=frames)