code: def test_plotnine_all_imports():
      import plotnine as p9
  
      for name in p9.__all__:
          m = getattr(p9, name).__module__
          assert m.startswith("plotnine"), f"{m} in plotnine.__all__!"
  
imports: from copy import deepcopy
  import numpy
  import pandas
  import pytest
  from plotnine import aes, after_scale, after_stat, annotate, coord_trans, facet_null, geom_bar, geom_histogram, geom_line, geom_point, ggplot, ggtitle, guides, labs, lims, scale_x_continuous, stage, stat_identity, theme, theme_gray, xlab, xlim, ylab
  from plotnine.exceptions import PlotnineError, PlotnineWarning
  from plotnine.mapping.aes import is_valid_aesthetic
label_desc: Use image node_id 23 for calling a global function with example usage: test_plotnine_all_imports() without return types