[yt-users] Streamplot error in annotate_streamlines callback

[Ji Suoqing]

Hi,

Currently I'm using the plot modification callback "annotate_streamlines". However, I got the following error:

Traceback (most recent call last):
  File "magnetic_streamline.py", line 9, in <module>
    slc.annotate_streamlines('magx','magy',factor=10.0,density=6)
  File "/aphelion/jisuoqing/sw/yt-x86_64/src/yt-hg/yt/visualization/plot_window.py", line 101, in newfunc
    args[0]._setup_plots()
  File "/aphelion/jisuoqing/sw/yt-x86_64/src/yt-hg/yt/visualization/plot_window.py", line 935, in _setup_plots
    self.run_callbacks(f)
  File "/aphelion/jisuoqing/sw/yt-x86_64/src/yt-hg/yt/visualization/plot_window.py", line 955, in run_callbacks
    callback(cbw)
  File "/aphelion/jisuoqing/sw/yt-x86_64/src/yt-hg/yt/visualization/plot_modifications.py", line 450, in __call__
    plot._axes.streamplot(X,Y, pixX, pixY, density = self.dens,
AttributeError: 'Axes' object has no attribute 'streamplot'

Now my yt version code is 2ad91aa91e30. In another desktop I remain another version 04fa9a7d799c, in which the annotate_streamlines callback works for the same data file.

Thanks a lot!

Best wishes,
Suoqing
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