Update app.py

app.py

@@ -94,7 +94,7 @@ def fourier_transform_drawing(input_image, frames, coefficients, img_size, blur_
     # Generate final animation as GIF
     anim = animation.FuncAnimation(fig, animate, frames=frames, interval=5, fargs=(coefs, np.linspace(0, 1, num=frames)))
     gif_buf = io.BytesIO()
-    anim.save(gif_buf, 'output.gif', writer='imagemagick', fps=15)
+    anim.save(gif_buf, 'output.gif', fps=15)
     gif_buf.seek(0)
     final_gif = Image.open(gif_buf)
     final_gif = np.array(final_gif.convert('RGB'))