Update app.py

app.py

@@ -87,7 +87,7 @@ def fourier_transform_drawing(input_image, frames, coefficients, img_size):
         center = (0, 0)
         theta = np.linspace(0, tau, 80)
         for c, fr in coefs:
-            c = c * np.exp(1j*(fr * tau * t)
+            c = c * np.exp(1j*(fr * tau * t))
             r = np.linalg.norm(c)
             x, y = center[0] + r * np.cos(theta), center[1] + r * np.sin(theta)
             circle_lines[_].set_data([center[0], center[0 ]+ np.real(c)], [center[1], center[1] + np.imag(c)])