ValueError: Unable to determine Axes to steal space for Colorbar. Either provide the *cax* argument to use as the Axes for the Colorbar, provide the *ax* argument to steal space from it, or add *mappable* to an Axes.

[danli349]

Hello:
Could you please let me know how to solve this problem? Thanks a lot

plot_imputed_features(
    cistopic_obj,
    reduction_name='UMAP',
    imputed_data=imputed_acc_obj,
    features=[markers_dict[x].index.tolist()[0] for x in ['DediffT_C345', 'DiffT_C1', 'Normal_C2']],
    scale=False,
    num_columns=3,
    save = './outs/plot_imputed_features_DediffT_C345.pdf'
)
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
Cell In[53], line 1
----> 1 plot_imputed_features(
      2     cistopic_obj,
      3     reduction_name='UMAP',
      4     imputed_data=imputed_acc_obj,
      5     features=[markers_dict[x].index.tolist()[0] for x in ['DediffT_C345', 'DiffT_C1', 'Normal_C2']],
      6     scale=False,
      7     num_columns=3,
      8     save = './outs/plot_imputed_features_DediffT_C345.pdf'
      9 )

File [~/miniconda3/envs/scenicplus/lib/python3.11/site-packages/pycisTopic/clust_vis.py:845](http://localhost:8888/lab/tree/pycisTopic/~/miniconda3/envs/scenicplus/lib/python3.11/site-packages/pycisTopic/clust_vis.py#line=844), in plot_imputed_features(cistopic_obj, reduction_name, imputed_data, features, scale, cmap, dot_size, alpha, selected_cells, figsize, num_columns, save)
    843 scalarmappaple = cm.ScalarMappable(norm=normalize, cmap=cmap)
    844 scalarmappaple.set_array(color_data)
--> 845 plt.colorbar(scalarmappaple)
    846 if num_columns == 1:
    847     if save is not None:

File [~/miniconda3/envs/scenicplus/lib/python3.11/site-packages/matplotlib/pyplot.py:2533](http://localhost:8888/lab/tree/pycisTopic/~/miniconda3/envs/scenicplus/lib/python3.11/site-packages/matplotlib/pyplot.py#line=2532), in colorbar(mappable, cax, ax, **kwargs)
   2528     if mappable is None:
   2529         raise RuntimeError('No mappable was found to use for colorbar '
   2530                            'creation. First define a mappable such as '
   2531                            'an image (with imshow) or a contour set ('
   2532                            'with contourf).')
-> 2533 ret = gcf().colorbar(mappable, cax=cax, ax=ax, **kwargs)
   2534 return ret

File [~/miniconda3/envs/scenicplus/lib/python3.11/site-packages/matplotlib/figure.py:1273](http://localhost:8888/lab/tree/pycisTopic/~/miniconda3/envs/scenicplus/lib/python3.11/site-packages/matplotlib/figure.py#line=1272), in FigureBase.colorbar(self, mappable, cax, ax, use_gridspec, **kwargs)
   1271 if cax is None:
   1272     if ax is None:
-> 1273         raise ValueError(
   1274             'Unable to determine Axes to steal space for Colorbar. '
   1275             'Either provide the *cax* argument to use as the Axes for '
   1276             'the Colorbar, provide the *ax* argument to steal space '
   1277             'from it, or add *mappable* to an Axes.')
   1278     fig = (  # Figure of first Axes; logic copied from make_axes.
   1279         [*ax.flat] if isinstance(ax, np.ndarray)
   1280         else [*ax] if np.iterable(ax)
   1281         else [ax])[0].get_figure(root=False)
   1282     current_ax = fig.gca()

ValueError: Unable to determine Axes to steal space for Colorbar. Either provide the *cax* argument to use as the Axes for the Colorbar, provide the *ax* argument to steal space from it, or add *mappable* to an Axes.