Division by 0 error with the malt module

[aidaanva]

Description of bug

When running multiQC within the nf-core/eager pipeline, the malt module crashes because one of the samples that I am analysing has 0 reads (ZWI001.A0101.MT1).

File that triggers the error

malt.log

MultiQC Error log

MultiQC 🔍 | v1.11

|           multiqc | MultiQC Version v1.12 now available!
|           multiqc | Only using modules: adapterRemoval, bowtie2, custom_content, damageprofiler, dedup, fastp, fastqc, gatk, kraken, malt, mtnucratio, multivcfanalyzer, picard, preseq, qualimap, samtools, sexdeterrmine, hops, bcftools
|           multiqc | Search path : /out/work/5c/a5b3dca9f4b85354e0b9529b211141/multiqc_config.yaml
|           multiqc | Search path : /out/work/5c/a5b3dca9f4b85354e0b9529b211141
|         searching | ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 1006/1006  
╭────────────────── Oops! The 'malt' MultiQC module broke... ──────────────────╮
│ Please copy this log and report it at                                        │
│ https://github.com/ewels/MultiQC/issues                                      │
│ Please attach a file that triggers the error. The last file found was:       │
│ ./malt/malt.log                                                              │
│                                                                              │
│ Traceback (most recent call last):                                           │
│   File "/opt/conda/envs/nf-core-eager-2.4.2/lib/python3.9/site-packages/mult │
│     output = mod()                                                           │
│   File "/opt/conda/envs/nf-core-eager-2.4.2/lib/python3.9/site-packages/mult │
│     self.parse_logs(f)                                                       │
│   File "/opt/conda/envs/nf-core-eager-2.4.2/lib/python3.9/site-packages/mult │
│     float(self.malt_data[s_name]["Assig. Taxonomy"])                         │
│ ZeroDivisionError: float division by zero                                    │
│                                                                              │
╰──────────────────────────────────────────────────────────────────────────────╯
|              hops | Found 58 samples
|          samtools | Found 62 flagstat reports
|          samtools | Found 62 flagstat reports
|    custom_content | software_versions: Found 1 sample (html)
|    custom_content | nf-core-eager-summary: Found 1 sample (html)
|           multiqc | Compressing plot data
|           multiqc | Report      : multiqc_report.html
|           multiqc | Data        : multiqc_data
|           multiqc | Plots       : multiqc_plots
|           multiqc | MultiQC complete