plotHeatmap.py fails because direct matplotlib.tight_layout use was deprecated in matplotlib 3.6.0

[eernst]

Welcome to deepTools GitHub repository! Before opening the issue please check that the following requirements are met :

• [x] Search whether this issue (or a similar issue) has been solved before using the search tab above. Link the previous issue if appropriate below.

• [x] Paste your deepTools version (deeptools --version) and your python version (python --version) below. deeptools 3.5.4 Python 3.10.13

• [x] Paste the full deepTools command that produces the issue below (ignore if you simply spotted the issue in the code/documentation). plotHeatmap -m [matrix_input] -out [out_PDF] --sortRegions descend --sortUsing mean --samplesLabel [sample_label] --regionsLabel [region_label] --colorMap seismic --zMin -0.178126 -0.202732 -0.126409 --zMax 0.063352 0.06986110000000056 0.830194 --yMin -0.09703 -0.101268 0.0350736 --yMax -0.0162055 -0.0278442 0.688624 --interpolationMethod bilinear --outFileSortedRegions [sorted_regions_outfile]

• [x] Paste the output printed on screen from the command that produces the issue below (ignore if you simply spotted the issue in the code/documentation). Traceback (most recent call last): File "<truncated>/bin/plotHeatmap", line 10, in <module> sys.exit(main()) File "<truncated>/lib/python3.10/site-packages/deeptools/plotHeatmap.py", line 876, in main plotMatrix(hm, File "<truncated>/lib/python3.10/site-packages/deeptools/plotHeatmap.py", line 587, in plotMatrix import matplotlib.tight_layout as tl ModuleNotFoundError: No module named 'matplotlib.tight_layout'

See: https://matplotlib.org/stable/api/tight_layout_api.html and https://matplotlib.org/stable/api/prev_api_changes/api_changes_3.6.0.html#modules

(I manually truncated the paths in the output - they point to a conda environment where deeptools is installed)

[WardDeb]

Thanks for reporting ! This is taken care of in the development branch already, a new release will follow soon.