Hi Maria, I was trying to use read_distribution.py get an error, I downloaded the gtf files from UCSC and converted to bed using gtf2bed. Can you please help me. processing /projects/ccs/schurerlab/Rimpi/Genomes/UsedForSTAR/hg38.ensGene.bed ... Traceback (most recent call last): File "/usr/local/bin/read_distribution.py", line 302, in <module> main() File "/usr/local/bin/read_distribution.py", line 191, in main intergenic_down1kb_base,intergenic_down5kb_base,intergenic_down10kb_base) = process_gene_model(options.ref_gene_model)...