Attempt to fix issue JuliaLang#2942

barche · Jan 30, 2022 · 40fee6b · 40fee6b
1 parent 6c8ec20
commit 40fee6b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Operations.jl b/src/Operations.jl
@@ -426,7 +426,7 @@ function deps_graph(env::EnvCache, registries::Vector{Registry.RegistryInstance}
             # unregistered stdlib we must special-case it here.  This is further
             # complicated by the fact that we can ask this question relative to
             # a Julia version.
-            if is_unregistered_stdlib(uuid) || uuid_is_stdlib
+            if (is_unregistered_stdlib(uuid) || uuid_is_stdlib) && haskey(stdlibs(), uuid)
                 path = Types.stdlib_path(stdlibs_for_julia_version[uuid][1])
                 proj_file = projectfile_path(path; strict=true)
                 @assert proj_file !== nothing