mkdir -p failed for path /.config/matplotlib: [Errno 13] Permission denied: '/.config'
Matplotlib created a temporary cache directory at /tmp/matplotlib-ngl0flta because there was an issue with the default path (/.config/matplotlib); it is highly recommended to set the MPLCONFIGDIR environment variable to a writable directory, in particular to speed up the import of Matplotlib and to better support multiprocessing.
2026-06-03 06:06:08,652 - cnv_pipe.cnv_pipe.batch.agg - INFO - Aggregating data for sample NTC_0001_0001_B23H3Y2LT3_1
2026-06-03 06:06:08,661 - cnv_pipe.cnv_pipe.batch.agg - INFO - Found 2659 clusters in clusters/
2026-06-03 06:08:21,875 - cnv_pipe.cnv_pipe.batch.agg - WARNING - No model data found for sample NTC_0001_0001_B23H3Y2LT3_1 (sample was likely excluded from modeling due to low coverage / mask_samples_low)