Problem with single end fastq files

```
(base) mdz@mdz-B650M:~/projects/dee2/eco/fastq$ docker run -v ${PWD}:/dee2/mnt mziemann/tallyup:dev -s ecoli -f1 SRR6652002_pass.fastq.gz

Starting pipeline with own fastq data specified
Specified fastq file /dee2/mnt/SRR6652002_pass.fastq.gz or /dee2/mnt/NULL do not exist or not readable. Quitting
```