https://bugzilla.wikimedia.org/show_bug.cgi?id=58053 Bug 58053 depends on bug 70969, which changed state.
Bug 70969 Summary: ResourceWarning unclosed files py3 https://bugzilla.wikimedia.org/show_bug.cgi?id=70969
What |Removed |Added ---------------------------------------------------------------------------- Status|PATCH_TO_REVIEW |RESOLVED Resolution|--- |FIXED