simplify open

[t-bltg]

While trying to fix nightly.
Seems like there is a missing close somewhere...

[codecov]

Codecov Report

Base: 90.80% // Head: 90.76% // Decreases project coverage by -0.05% ⚠️

Coverage data is based on head (abb2fad) compared to base (54a215f).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4642      +/-   ##
==========================================
- Coverage   90.80%   90.76%   -0.05%     
==========================================
  Files          41       41              
  Lines        8778     8781       +3     
==========================================
- Hits         7971     7970       -1     
- Misses        807      811       +4     

Impacted Files	Coverage Δ
RecipesPipeline/src/group.jl	90.54% <0.00%> (-4.06%)	⬇️
src/layouts.jl	95.46% <0.00%> (-0.29%)	⬇️
src/backends.jl	82.58% <0.00%> (+0.26%)	⬆️

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[BeastyBlacksmith]

Seems like there is a missing close somewhere...

Are you sure? It looks more like a bug in Pkg/ julia to me.

[t-bltg]

I mean by that on nightly we hang waiting for some i/o operations, I vaguely recall seeing something similar induced by a missing close in some discussion in the julia repo (but don't recall which one ...).

[pid 8003] waiting for IO to finish:
 TYPE[FD/PID]       @UV_HANDLE_T->DATA
 pipe[18]           @0x29f8660->0x7f1664428880
 pipe[12]           @0x307d3b0->0x7f1664428920
 process[8015]      @0x2be3af0->0x7f1664c696d0

Probably minor (likely to be fixed by future commits on julia@master), but let's keep an eye on this. Seems related to the precompilation failure (obscure message about inference failure).