_open() takes at least 1 positional argument (0 given)

Error:

/Users/karel/.smbl/bin/art_illumina -sam -na -i "/Users/karel/.smbl/fa/Mycobacterium_tuberculosis.fa" -l 100 -rs 12345 -f 20 -o "mtb_reads/001/tmp.1" -p -m 500 -s 50.0 > /dev/null
cat "mtb_reads/001/tmp.1.sam" | grep -v ^@ | "/Users/karel/.smbl/bin/samtools" view -h -T "/Users/karel/.smbl/fa/Mycobacterium_tuberculosis.fa" - > "mtb_reads/001/tmp.1.corrected.sam"
Error in job 43 while creating output files mtb_reads/001/_final_reads.fq, mtb_reads/001/tmp.1.sam, mtb_reads/001/tmp.1.corrected.sam, mtb_reads/001/tmp.11.fq, mtb_reads/001/tmp.12.fq.
RuleException:
TypeError in line 52 of /Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/rnftools/mishmash/mishmash.snake:
_open() takes at least 1 positional argument (0 given)
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/rnftools/mishmash/ArtIllumina.py", line 153, in create_fq
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/rnftools/mishmash/Source.py", line 197, in recode_sam_reads
Removing output files of failed job 43 since they might be corrupted:
mtb_reads/001/_final_reads.fq, mtb_reads/001/tmp.1.sam, mtb_reads/001/tmp.1.corrected.sam, mtb_reads/001/tmp.11.fq, mtb_reads/001/tmp.12.fq
Will exit after finishing currently running jobs.
Exiting because a job execution failed. Look above for error message

Snakefile:

import rnftools
import smbl

# CONFIGURATION

reads = "mtb_reads.fq"

reference = smbl.fasta.EXAMPLE

# READ SIMULATION

rnftools.mishmash.sample(reads[:-3],reads_in_tuple=2)

rnftools.mishmash.ArtIllumina(
    fasta=reference,
    read_length_1=100,
    read_length_2=100,
    coverage=20,
    distance=500,
    distance_deviation=50.0,
    rng_seed=12345,
)

# SNAKEMAKE RULES

include: rnftools.include()
rule: input: rnftools.input()

karel-brinda / rnftools

_open() takes at least 1 positional argument (0 given) #39