Fix output channel

modules/multiqc/main.nf

@@ -24,7 +24,7 @@ process MULTIQC {
     path "*multiqc_report.html", emit: report
     path "*_data"              , emit: data
     path "*_plots"             , optional:true, emit: plots
-    path "*.version.txt"       , emit: version
+    path "versions.yml"        , emit: version
 
     script:
     def software = getSoftwareName(task.process)

tests/test_versions_yml.py

@@ -36,5 +36,5 @@ def test_ensure_valid_version_yml(workflow_dir):
     assert len(software_versions), "There must be at least one version emitted."
     for tool, version in software_versions.items():
         assert re.match(
-            r"^\d+.*", version
+            r"^\d+.*", str(version)
         ), f"Version number for {tool} must start with a number. "