[RegressionWorkflow App] cross-val report issue

Traceback (most recent call last):
File "C:\source\QGISPlugIns\enmap-box\enmapbox\coreapps\enmapboxapplications\regressionapp\core.py", line 340, in execute
regressionWorkflow(sample=sample,
File "C:\source\QGISPlugIns\enmap-box\enmapbox\coreapps\enmapboxapplications\regressionapp\script.py", line 86, in regressionWorkflow
regressor.performanceCrossValidation(nfold=cv).report().saveHTML(filename=filenameReport)
File "C:\source\QGISPlugIns\enmap-box\hubflow\core.py", line 6023, in report
report.append(ReportPlot(fig)) # , caption=fittedLineText))
File "C:\source\QGISPlugIns\enmap-box\hubflow\report.py", line 176, in init
array = fig2rgb_array()
File "C:\source\QGISPlugIns\enmap-box\hubflow\report.py", line 170, in fig2rgb_array
figure.canvas.draw()
File "C:\PyCharm\helpers\pycharm_matplotlib_backend\backend_interagg.py", line 83, in draw
FigureCanvasAgg.draw(self)
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\backends\backend_agg.py", line 407, in draw
self.figure.draw(self.renderer)
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\artist.py", line 41, in draw_wrapper
return draw(artist, renderer, *args, **kwargs)
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\figure.py", line 1863, in draw
mimage._draw_list_compositing_images(
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\image.py", line 131, in _draw_list_compositing_images
a.draw(renderer)
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\artist.py", line 41, in draw_wrapper
return draw(artist, renderer, *args, **kwargs)
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\cbook\deprecation.py", line 411, in wrapper
return func(*inner_args, **inner_kwargs)
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\axes_base.py", line 2747, in draw
mimage._draw_list_compositing_images(renderer, self, artists)
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\image.py", line 131, in _draw_list_compositing_images
a.draw(renderer)
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\artist.py", line 41, in draw_wrapper
return draw(artist, renderer, *args, **kwargs)
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\collections.py", line 931, in draw
Collection.draw(self, renderer)
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\artist.py", line 41, in draw_wrapper
return draw(artist, renderer, *args, **kwargs)
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\collections.py", line 406, in draw
renderer.draw_path_collection(
File "C:\miniconda\envs\qgis\lib\site-packages\matplotlib\backends\backend_agg.py", line 172, in draw_path_collection
return self._renderer.draw_path_collection(
ValueError: Expected 2-dimensional array, got 1

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