Fix MethodError when warning about a toplevel module (#52782)

JuliaLang · Jan 6, 2024 · 0cb5a0e · 0cb5a0e
1 parent c827094
commit 0cb5a0e
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/base/loading.jl b/base/loading.jl
@@ -2022,7 +2022,10 @@ function warn_if_already_loaded_different(uuidkey::PkgId)
  end
  end
  @warn warnstr
- push!(already_warned_path_change_pkgs, uuidkey.uuid)
+ # Toplevel modules have a `uuid` of `Nothing`
+ if uuidkey.uuid !== nothing
+ push!(already_warned_path_change_pkgs, uuidkey.uuid)
+ end
  end
  end
 end