Pipeline fails with _1 suffix in file name without corresponding _2 file

[olegs]

user@franklin:/mnt/stripe/shpynov/chipseq-smk-pipeline(master)$ snakemake all --use-conda --cores 28  --directory /mnt/stripe/bio/raw-data/geo-samples/GSE104284 --config fastq_dir=/mnt/stripe/bio/raw-data/geo-samples/GSE104284/fastq genome=mm10 macs2_mode=broad macs2_suffix="broad_0.05" macs2_params="--broad --broad-cutoff 0.05" -n
KeyError in line 20 of /mnt/stripe/shpynov/chipseq-smk-pipeline/rules/sicer.smk:
'GSM2794123_C36UVACXX.1.48hr_01_Left_K27ac_1'
  File "/mnt/stripe/shpynov/chipseq-smk-pipeline/Snakefile", line 55, in <module>
  File "/mnt/stripe/shpynov/chipseq-smk-pipeline/rules/sicer.smk", line 32, in <module>
  File "/mnt/stripe/shpynov/chipseq-smk-pipeline/rules/sicer.smk", line 20, in sicer_all_peaks_input

Workaround used at the moment:

mv /mnt/stripe/bio/raw-data/geo-samples/GSE104284/fastq/GSM2794123_C36UVACXX.1.48hr_01_Left_K27ac_1.fastq /mnt/stripe/bio/raw-data/geo-samples/GSE104284/fastq/GSM2794123_C36UVACXX.1.48hr_01_Left_K27ac.fastq