# Must be set before the animation importmpl.rcParams['animation.ffmpeg_path'] = "C:\\Users\\jschulz\\Dropbox\\Programme\\cmder\\vendor\\jasc\\ffmpeg.exe"import matplotlib.animation as animation

C:\portabel\miniconda\envs\katins2\lib\site-packages\matplotlib\animation.py:781: UserWarning: MovieWriter ffmpeg unavailable  warnings.warn("MovieWriter %s unavailable" % writer)---------------------------------------------------------------------------ValueError                                Traceback (most recent call last)<ipython-input-1-2c23ec3f11d2> in <module>()     25      26 ani = animation.FuncAnimation(plt.gcf(), updatefig, frames=40, init_func=initfig)---> 27 ani.save('_movie.mp4')C:\portabel\miniconda\envs\katins2\lib\site-packages\matplotlib\animation.pyc in save(self, filename, writer, fps, dpi, codec, bitrate, extra_args, metadata, extra_anim, savefig_kwargs)    786                                                         metadata=metadata)    787                 except IndexError:--> 788                     raise ValueError("Cannot save animation: no writers are "    789                                      "available. Please install mencoder or "    790                                      "ffmpeg to save animations.")ValueError: Cannot save animation: no writers are available. Please install mencoder or ffmpeg to save animations.