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Errors from `ReshapedArray`?

Aperta
  • Qualcosa non va?
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Nessuno ha ancora preso questa issue.

Valutazione

Difficoltà
3/5
Tempo stimato
1-2 giorni
Idoneità per principianti
30/100
Tipo di issue
Bug
Chiarezza
Da chiarire
Stato di attività
Ferma
Stack tecnologico
julia
Ambito
devtools, testing-qa

Direzione di ricerca

Riproduci le due chiamate a test_frule dell’issue, quindi traccia il fallimento attraverso FiniteDifferences/src/to_vec.jl e ChainRulesTestUtils/src/finite_difference_calls.jl, con il test harness in ChainRulesTestUtils/src/testers.jl. Determina se ReshapedArray wrapping Diagonal è supportato; il lavoro è completato quando il caso riportato viene gestito senza il TypeError mostrato oppure il suo stato di non supportato viene reso esplicito.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Descrizione

With https://github.com/JuliaDiff/ChainRules.jl/pull/565 I get these errors:

julia> test_frule(reshape, rand(4,4), 2, :)
Test Summary:                                      | Pass  Total  Time
test_frule: reshape on Matrix{Float64},Int64,Colon |    4      4  0.4s
Test.DefaultTestSet("test_frule: reshape on Matrix{Float64},Int64,Colon", Any[], 4, false, false, true, 1.643144279593864e9, 1.643144280005545e9)

julia> test_frule(reshape, Diagonal(rand(4)), 2, :)
test_frule: reshape on Diagonal{Float64, Vector{Float64}},Int64,Colon: Error During Test at /Users/me/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:118
  Got exception outside of a @test
  TypeError: in new, expected Int64, got a value of type Float64
  Stacktrace:
    [1] macro expansion
      @ ~/.julia/packages/FiniteDifferences/iFBBx/src/to_vec.jl:0 [inlined]
    [2] _force_construct
      @ ~/.julia/packages/FiniteDifferences/iFBBx/src/to_vec.jl:27 [inlined]
    [3] (::FiniteDifferences.var"#structtype_from_vec#29"{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}, FiniteDifferences.var"#Tuple_from_vec#48"{NTuple{4, Int64}, NTuple{4, Int64}, NTuple{4, typeof(identity)}}, NTuple{4, FiniteDifferences.var"#Real_from_vec#20"}})(v::Vector{Float64})
      @ FiniteDifferences ~/.julia/packages/FiniteDifferences/iFBBx/src/to_vec.jl:53
    [4] (::FiniteDifferences.var"#47#49"{Vector{Float64}})(x_back::FiniteDifferences.var"#structtype_from_vec#29"{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}, FiniteDifferences.var"#Tuple_from_vec#48"{NTuple{4, Int64}, NTuple{4, Int64}, NTuple{4, typeof(identity)}}, NTuple{4, FiniteDifferences.var"#Real_from_vec#20"}}, l::Int64, s::Int64)
      @ FiniteDifferences ~/.julia/packages/FiniteDifferences/iFBBx/src/to_vec.jl:213
    [5] map(f::Function, t1::Tuple{FiniteDifferences.var"#structtype_from_vec#29"{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}, FiniteDifferences.var"#Tuple_from_vec#48"{NTuple{4, Int64}, NTuple{4, Int64}, NTuple{4, typeof(identity)}}, NTuple{4, FiniteDifferences.var"#Real_from_vec#20"}}}, t2::Tuple{Int64}, ts::Tuple{Int64})
      @ Base ./tuple.jl:266
    [6] Tuple_from_vec
      @ ~/.julia/packages/FiniteDifferences/iFBBx/src/to_vec.jl:212 [inlined]
    [7] #26
      @ ~/.julia/packages/FiniteDifferences/iFBBx/src/to_vec.jl:49 [inlined]
    [8] map
      @ ./tuple.jl:247 [inlined]
    [9] map(f::FiniteDifferences.var"#26#30", t::Tuple{FiniteDifferences.var"#Diagonal_from_vec#38"{FiniteDifferences.var"#Array_from_vec#34"{Matrix{Float64}, typeof(identity)}}, FiniteDifferences.var"#Tuple_from_vec#48"{Tuple{Int64, Int64}, Tuple{Int64, Int64}, Tuple{FiniteDifferences.var"#Real_from_vec#20", FiniteDifferences.var"#Real_from_vec#20"}}, FiniteDifferences.var"#Tuple_from_vec#48"{Tuple{Int64}, Tuple{Int64}, Tuple{FiniteDifferences.var"#structtype_from_vec#29"{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}, FiniteDifferences.var"#Tuple_from_vec#48"{NTuple{4, Int64}, NTuple{4, Int64}, NTuple{4, typeof(identity)}}, NTuple{4, FiniteDifferences.var"#Real_from_vec#20"}}}}}, s::Tuple{Vector{Float64}, Vector{Float64}, Vector{Float64}})
      @ Base ./tuple.jl:250
   [10] (::FiniteDifferences.var"#structtype_from_vec#29"{Base.ReshapedArray{Float64, 2, Diagonal{Float64, Vector{Float64}}, Tuple{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}}}, FiniteDifferences.var"#Tuple_from_vec#48"{Tuple{Int64, Int64, Int64}, Tuple{Int64, Int64, Int64}, Tuple{typeof(identity), typeof(identity), typeof(identity)}}, Tuple{FiniteDifferences.var"#Diagonal_from_vec#38"{FiniteDifferences.var"#Array_from_vec#34"{Matrix{Float64}, typeof(identity)}}, FiniteDifferences.var"#Tuple_from_vec#48"{Tuple{Int64, Int64}, Tuple{Int64, Int64}, Tuple{FiniteDifferences.var"#Real_from_vec#20", FiniteDifferences.var"#Real_from_vec#20"}}, FiniteDifferences.var"#Tuple_from_vec#48"{Tuple{Int64}, Tuple{Int64}, Tuple{FiniteDifferences.var"#structtype_from_vec#29"{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}, FiniteDifferences.var"#Tuple_from_vec#48"{NTuple{4, Int64}, NTuple{4, Int64}, NTuple{4, typeof(identity)}}, NTuple{4, FiniteDifferences.var"#Real_from_vec#20"}}}}}})(v::Vector{Float64})
      @ FiniteDifferences ~/.julia/packages/FiniteDifferences/iFBBx/src/to_vec.jl:49
   [11] jvp(fdm::FiniteDifferences.AdaptedFiniteDifferenceMethod{5, 1, FiniteDifferences.UnadaptedFiniteDifferenceMethod{7, 5}}, f::ChainRulesTestUtils.var"#fnew#42"{ChainRulesTestUtils.var"#call_on_copy#46"{NamedTuple{(), Tuple{}}}, Tuple{typeof(reshape), Diagonal{Float64, Vector{Float64}}, Int64, Colon}, NTuple{4, Bool}}, ::Tuple{Diagonal{Float64, Vector{Float64}}, Diagonal{Float64, Vector{Float64}}})
      @ FiniteDifferences ~/.julia/packages/FiniteDifferences/iFBBx/src/grad.jl:58
   [12] _make_jvp_call(fdm::Any, f::Any, y::Any, xs::Any, ẋs::Any, ignores::Any)
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/finite_difference_calls.jl:24
   [13] macro expansion
      @ ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:137 [inlined]
   [14] macro expansion
      @ ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/Test/src/Test.jl:1356 [inlined]
   [15] test_frule(::RuleConfig, ::Any, ::Any, ::Vararg{Any}; output_tangent::Any, fdm::Any, frule_f::Any, check_inferred::Bool, fkwargs::NamedTuple, rtol::Real, atol::Real, kwargs::Base.Pairs{Symbol, V, Tuple{Vararg{Symbol, N}}, NamedTuple{names, T}} where {V, N, names, T<:Tuple{Vararg{Any, N}}})
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:120
   [16] test_frule(::RuleConfig, ::Any, ::Any, ::Vararg{Any})
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:113
   [17] test_frule(::Any, ::Vararg{Any}; kwargs::Base.Pairs{Symbol, V, Tuple{Vararg{Symbol, N}}, NamedTuple{names, T}} where {V, N, names, T<:Tuple{Vararg{Any, N}}})
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:96
   [18] test_frule(::Any, ::Any, ::Any, ::Vararg{Any})
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:95
   [19] top-level scope
      @ REPL[6]:1
   [20] eval
      @ ./boot.jl:368 [inlined]
   [21] eval_user_input(ast::Any, backend::REPL.REPLBackend)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:151
   [22] repl_backend_loop(backend::REPL.REPLBackend)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:247
   [23] start_repl_backend(backend::REPL.REPLBackend, consumer::Any)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:232
   [24] run_repl(repl::REPL.AbstractREPL, consumer::Any; backend_on_current_task::Bool)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:369
   [25] run_repl(repl::REPL.AbstractREPL, consumer::Any)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:356
   [26] (::Base.var"#950#952"{Bool, Bool, Bool})(REPL::Module)
      @ Base ./client.jl:406
   [27] #invokelatest#2
      @ ./essentials.jl:731 [inlined]
   [28] invokelatest
      @ ./essentials.jl:729 [inlined]
   [29] run_main_repl(interactive::Bool, quiet::Bool, banner::Bool, history_file::Bool, color_set::Bool)
      @ Base ./client.jl:391
   [30] exec_options(opts::Base.JLOptions)
      @ Base ./client.jl:321
   [31] _start()
      @ Base ./client.jl:509
  
  caused by: MethodError: no method matching Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}(::Float64, ::Float64, ::Float64, ::Float64)
  Stacktrace:
    [1] (::FiniteDifferences.var"#structtype_from_vec#29"{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}, FiniteDifferences.var"#Tuple_from_vec#48"{NTuple{4, Int64}, NTuple{4, Int64}, NTuple{4, typeof(identity)}}, NTuple{4, FiniteDifferences.var"#Real_from_vec#20"}})(v::Vector{Float64})
      @ FiniteDifferences ~/.julia/packages/FiniteDifferences/iFBBx/src/to_vec.jl:51
    [2] (::FiniteDifferences.var"#47#49"{Vector{Float64}})(x_back::FiniteDifferences.var"#structtype_from_vec#29"{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}, FiniteDifferences.var"#Tuple_from_vec#48"{NTuple{4, Int64}, NTuple{4, Int64}, NTuple{4, typeof(identity)}}, NTuple{4, FiniteDifferences.var"#Real_from_vec#20"}}, l::Int64, s::Int64)
      @ FiniteDifferences ~/.julia/packages/FiniteDifferences/iFBBx/src/to_vec.jl:213
    [3] map(f::Function, t1::Tuple{FiniteDifferences.var"#structtype_from_vec#29"{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}, FiniteDifferences.var"#Tuple_from_vec#48"{NTuple{4, Int64}, NTuple{4, Int64}, NTuple{4, typeof(identity)}}, NTuple{4, FiniteDifferences.var"#Real_from_vec#20"}}}, t2::Tuple{Int64}, ts::Tuple{Int64})
      @ Base ./tuple.jl:266
    [4] Tuple_from_vec
      @ ~/.julia/packages/FiniteDifferences/iFBBx/src/to_vec.jl:212 [inlined]
    [5] #26
      @ ~/.julia/packages/FiniteDifferences/iFBBx/src/to_vec.jl:49 [inlined]
    [6] map
      @ ./tuple.jl:247 [inlined]
    [7] map(f::FiniteDifferences.var"#26#30", t::Tuple{FiniteDifferences.var"#Diagonal_from_vec#38"{FiniteDifferences.var"#Array_from_vec#34"{Matrix{Float64}, typeof(identity)}}, FiniteDifferences.var"#Tuple_from_vec#48"{Tuple{Int64, Int64}, Tuple{Int64, Int64}, Tuple{FiniteDifferences.var"#Real_from_vec#20", FiniteDifferences.var"#Real_from_vec#20"}}, FiniteDifferences.var"#Tuple_from_vec#48"{Tuple{Int64}, Tuple{Int64}, Tuple{FiniteDifferences.var"#structtype_from_vec#29"{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}, FiniteDifferences.var"#Tuple_from_vec#48"{NTuple{4, Int64}, NTuple{4, Int64}, NTuple{4, typeof(identity)}}, NTuple{4, FiniteDifferences.var"#Real_from_vec#20"}}}}}, s::Tuple{Vector{Float64}, Vector{Float64}, Vector{Float64}})
      @ Base ./tuple.jl:250
    [8] (::FiniteDifferences.var"#structtype_from_vec#29"{Base.ReshapedArray{Float64, 2, Diagonal{Float64, Vector{Float64}}, Tuple{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}}}, FiniteDifferences.var"#Tuple_from_vec#48"{Tuple{Int64, Int64, Int64}, Tuple{Int64, Int64, Int64}, Tuple{typeof(identity), typeof(identity), typeof(identity)}}, Tuple{FiniteDifferences.var"#Diagonal_from_vec#38"{FiniteDifferences.var"#Array_from_vec#34"{Matrix{Float64}, typeof(identity)}}, FiniteDifferences.var"#Tuple_from_vec#48"{Tuple{Int64, Int64}, Tuple{Int64, Int64}, Tuple{FiniteDifferences.var"#Real_from_vec#20", FiniteDifferences.var"#Real_from_vec#20"}}, FiniteDifferences.var"#Tuple_from_vec#48"{Tuple{Int64}, Tuple{Int64}, Tuple{FiniteDifferences.var"#structtype_from_vec#29"{Base.MultiplicativeInverses.SignedMultiplicativeInverse{Int64}, FiniteDifferences.var"#Tuple_from_vec#48"{NTuple{4, Int64}, NTuple{4, Int64}, NTuple{4, typeof(identity)}}, NTuple{4, FiniteDifferences.var"#Real_from_vec#20"}}}}}})(v::Vector{Float64})
      @ FiniteDifferences ~/.julia/packages/FiniteDifferences/iFBBx/src/to_vec.jl:49
    [9] jvp(fdm::FiniteDifferences.AdaptedFiniteDifferenceMethod{5, 1, FiniteDifferences.UnadaptedFiniteDifferenceMethod{7, 5}}, f::ChainRulesTestUtils.var"#fnew#42"{ChainRulesTestUtils.var"#call_on_copy#46"{NamedTuple{(), Tuple{}}}, Tuple{typeof(reshape), Diagonal{Float64, Vector{Float64}}, Int64, Colon}, NTuple{4, Bool}}, ::Tuple{Diagonal{Float64, Vector{Float64}}, Diagonal{Float64, Vector{Float64}}})
      @ FiniteDifferences ~/.julia/packages/FiniteDifferences/iFBBx/src/grad.jl:58
   [10] _make_jvp_call(fdm::Any, f::Any, y::Any, xs::Any, ẋs::Any, ignores::Any)
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/finite_difference_calls.jl:24
   [11] macro expansion
      @ ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:137 [inlined]
   [12] macro expansion
      @ ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/Test/src/Test.jl:1356 [inlined]
   [13] test_frule(::RuleConfig, ::Any, ::Any, ::Vararg{Any}; output_tangent::Any, fdm::Any, frule_f::Any, check_inferred::Bool, fkwargs::NamedTuple, rtol::Real, atol::Real, kwargs::Base.Pairs{Symbol, V, Tuple{Vararg{Symbol, N}}, NamedTuple{names, T}} where {V, N, names, T<:Tuple{Vararg{Any, N}}})
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:120
   [14] test_frule(::RuleConfig, ::Any, ::Any, ::Vararg{Any})
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:113
   [15] test_frule(::Any, ::Vararg{Any}; kwargs::Base.Pairs{Symbol, V, Tuple{Vararg{Symbol, N}}, NamedTuple{names, T}} where {V, N, names, T<:Tuple{Vararg{Any, N}}})
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:96
   [16] test_frule(::Any, ::Any, ::Any, ::Vararg{Any})
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:95
   [17] top-level scope
      @ REPL[6]:1
   [18] eval
      @ ./boot.jl:368 [inlined]
   [19] eval_user_input(ast::Any, backend::REPL.REPLBackend)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:151
   [20] repl_backend_loop(backend::REPL.REPLBackend)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:247
   [21] start_repl_backend(backend::REPL.REPLBackend, consumer::Any)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:232
   [22] run_repl(repl::REPL.AbstractREPL, consumer::Any; backend_on_current_task::Bool)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:369
   [23] run_repl(repl::REPL.AbstractREPL, consumer::Any)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:356
   [24] (::Base.var"#950#952"{Bool, Bool, Bool})(REPL::Module)
      @ Base ./client.jl:406
   [25] #invokelatest#2
      @ ./essentials.jl:731 [inlined]
   [26] invokelatest
      @ ./essentials.jl:729 [inlined]
   [27] run_main_repl(interactive::Bool, quiet::Bool, banner::Bool, history_file::Bool, color_set::Bool)
      @ Base ./client.jl:391
   [28] exec_options(opts::Base.JLOptions)
      @ Base ./client.jl:321
   [29] _start()
      @ Base ./client.jl:509
Test Summary:                                                         | Pass  Error  Total  Time
test_frule: reshape on Diagonal{Float64, Vector{Float64}},Int64,Colon |    2      1      3  0.0s
ERROR: Some tests did not pass: 2 passed, 0 failed, 1 errored, 0 broken.

Slightly different error for rrule:

julia> test_rrule(reshape, Diagonal(rand(4)), 2, :)
test_rrule: reshape on Diagonal{Float64, Vector{Float64}},Int64,Colon: Error During Test at /Users/me/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:195
  Got exception outside of a @test
  DimensionMismatch("second dimension of A, 22, does not match length of x, 16")
  Stacktrace:
    [1] gemv!(y::Vector{Float64}, tA::Char, A::Matrix{Float64}, x::Vector{Float64}, α::Bool, β::Bool)
      @ LinearAlgebra ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/LinearAlgebra/src/matmul.jl:508
    [2] mul!
      @ ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/LinearAlgebra/src/matmul.jl:87 [inlined]
    [3] mul!
      @ ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/LinearAlgebra/src/matmul.jl:286 [inlined]
    [4] *(tA::Transpose{Float64, Matrix{Float64}}, x::Vector{Float64})
      @ LinearAlgebra ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/LinearAlgebra/src/matmul.jl:80
    [5] _j′vp(fdm::FiniteDifferences.AdaptedFiniteDifferenceMethod{5, 1, FiniteDifferences.UnadaptedFiniteDifferenceMethod{7, 5}}, f::Function, ȳ::Vector{Float64}, x::Vector{Float64})
      @ FiniteDifferences ~/.julia/packages/FiniteDifferences/iFBBx/src/grad.jl:80
    [6] j′vp(fdm::FiniteDifferences.AdaptedFiniteDifferenceMethod{5, 1, FiniteDifferences.UnadaptedFiniteDifferenceMethod{7, 5}}, f::Function, ȳ::Matrix{Float64}, x::Diagonal{Float64, Vector{Float64}})
      @ FiniteDifferences ~/.julia/packages/FiniteDifferences/iFBBx/src/grad.jl:73
    [7] _make_j′vp_call(fdm::Any, f::Any, ȳ::Any, xs::Any, ignores::Any)
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/finite_difference_calls.jl:51
    [8] macro expansion
      @ ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:226 [inlined]
    [9] macro expansion
      @ ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/Test/src/Test.jl:1356 [inlined]
   [10] test_rrule(::RuleConfig, ::Any, ::Any, ::Vararg{Any}; output_tangent::Any, check_thunked_output_tangent::Any, fdm::Any, rrule_f::Any, check_inferred::Bool, fkwargs::NamedTuple, rtol::Real, atol::Real, kwargs::Base.Pairs{Symbol, V, Tuple{Vararg{Symbol, N}}, NamedTuple{names, T}} where {V, N, names, T<:Tuple{Vararg{Any, N}}})
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:198
   [11] test_rrule(::RuleConfig, ::Any, ::Any, ::Vararg{Any})
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:190
   [12] test_rrule(::Any, ::Vararg{Any}; kwargs::Base.Pairs{Symbol, V, Tuple{Vararg{Symbol, N}}, NamedTuple{names, T}} where {V, N, names, T<:Tuple{Vararg{Any, N}}})
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:172
   [13] test_rrule(::Any, ::Any, ::Any, ::Vararg{Any})
      @ ChainRulesTestUtils ~/.julia/packages/ChainRulesTestUtils/8dFTY/src/testers.jl:171
   [14] top-level scope
      @ REPL[7]:1
   [15] eval
      @ ./boot.jl:368 [inlined]
   [16] eval_user_input(ast::Any, backend::REPL.REPLBackend)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:151
   [17] repl_backend_loop(backend::REPL.REPLBackend)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:247
   [18] start_repl_backend(backend::REPL.REPLBackend, consumer::Any)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:232
   [19] run_repl(repl::REPL.AbstractREPL, consumer::Any; backend_on_current_task::Bool)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:369
   [20] run_repl(repl::REPL.AbstractREPL, consumer::Any)
      @ REPL ~/.julia/dev/julia/usr/share/julia/stdlib/v1.8/REPL/src/REPL.jl:356
   [21] (::Base.var"#950#952"{Bool, Bool, Bool})(REPL::Module)
      @ Base ./client.jl:406
   [22] #invokelatest#2
      @ ./essentials.jl:731 [inlined]
   [23] invokelatest
      @ ./essentials.jl:729 [inlined]
   [24] run_main_repl(interactive::Bool, quiet::Bool, banner::Bool, history_file::Bool, color_set::Bool)
      @ Base ./client.jl:391
   [25] exec_options(opts::Base.JLOptions)
      @ Base ./client.jl:321
   [26] _start()
      @ Base ./client.jl:509
Test Summary:                                                         | Pass  Error  Total  Time
test_rrule: reshape on Diagonal{Float64, Vector{Float64}},Int64,Colon |    3      1      4  0.4s
ERROR: Some tests did not pass: 3 passed, 0 failed, 1 errored, 0 broken.
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  3. Fai un fork del repository e lavora su un branch.
  4. Apri una pull request che faccia riferimento al numero della issue.

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Un breve riepilogo di issue GitHub adatte ai principianti.