TypeError: in Type{...} expression, expected UnionAll, got typeof(Base.Nullable)

[wustczx]

julia 0.7 , Follow the reference method.
but input using LightML.There is an error:

julia> using LightML
[ Info: Precompiling LightML [21c72615-c80e-5f28-8897-21b7f06a9402]
┌ Warning: Deprecated syntax try without catch or finally at /root/.julia/packages/Gadfly/ojGNo/src/Gadfly.jl:971.
└ @ ~/.julia/packages/Gadfly/ojGNo/src/Gadfly.jl:971
┌ Warning: Deprecated syntax try without catch or finally at /root/.julia/packages/Gadfly/ojGNo/src/Gadfly.jl:980.
└ @ ~/.julia/packages/Gadfly/ojGNo/src/Gadfly.jl:980
┌ Warning: Deprecated syntax try without catch or finally at /root/.julia/packages/Compose/y7cU7/src/Compose.jl:207.
└ @ ~/.julia/packages/Compose/y7cU7/src/Compose.jl:207
WARNING: importing deprecated binding Base.Nullable into Compose.
ERROR: LoadError: LoadError: TypeError: in Type{...} expression, expected UnionAll, got typeof(Base.Nullable)
Stacktrace:
[1] top-level scope at none:0
[2] include at ./boot.jl:317 [inlined]
[3] include_relative(::Module, ::String) at ./loading.jl:1038
[4] include at ./sysimg.jl:29 [inlined]
[5] include(::String) at /root/.julia/packages/Compose/y7cU7/src/Compose.jl:3
[6] top-level scope at none:0
[7] include at ./boot.jl:317 [inlined]
[8] include_relative(::Module, ::String) at ./loading.jl:1038
[9] include(::Module, ::String) at ./sysimg.jl:29
[10] top-level scope at none:2
[11] eval at ./boot.jl:319 [inlined]
[12] eval(::Expr) at ./client.jl:399
[13] top-level scope at ./none:3
in expression starting at /root/.julia/packages/Compose/y7cU7/src/measure.jl:133
in expression starting at /root/.julia/packages/Compose/y7cU7/src/Compose.jl:69
ERROR: LoadError: Failed to precompile Compose [a81c6b42-2e10-5240-aca2-a61377ecd94b] to /root/.julia/compiled/v0.7/Compose/sbiEw.ji.
Stacktrace:
[1] error(::String) at ./error.jl:33
[2] macro expansion at ./logging.jl:313 [inlined]
[3] compilecache(::Base.PkgId, ::String) at ./loading.jl:1185
[4] _require(::Base.PkgId) at ./logging.jl:311
[5] require(::Base.PkgId) at ./loading.jl:852
[6] macro expansion at ./logging.jl:311 [inlined]
[7] require(::Module, ::Symbol) at ./loading.jl:834
[8] include at ./boot.jl:317 [inlined]
[9] include_relative(::Module, ::String) at ./loading.jl:1038
[10] include(::Module, ::String) at ./sysimg.jl:29
[11] top-level scope at none:2
[12] eval at ./boot.jl:319 [inlined]
[13] eval(::Expr) at ./client.jl:399
[14] top-level scope at ./none:3
in expression starting at /root/.julia/packages/Gadfly/ojGNo/src/Gadfly.jl:7
ERROR: LoadError: Failed to precompile Gadfly [c91e804a-d5a3-530f-b6f0-dfbca275c004] to /root/.julia/compiled/v0.7/Gadfly/DvECm.ji.
Stacktrace:
[1] error(::String) at ./error.jl:33
[2] macro expansion at ./logging.jl:313 [inlined]
[3] compilecache(::Base.PkgId, ::String) at ./loading.jl:1185
[4] _require(::Base.PkgId) at ./logging.jl:311
[5] require(::Base.PkgId) at ./loading.jl:852
[6] macro expansion at ./logging.jl:311 [inlined]
[7] require(::Module, ::Symbol) at ./loading.jl:834
[8] include at ./boot.jl:317 [inlined]
[9] include_relative(::Module, ::String) at ./loading.jl:1038
[10] include(::Module, ::String) at ./sysimg.jl:29
[11] top-level scope at none:2
[12] eval at ./boot.jl:319 [inlined]
[13] eval(::Expr) at ./client.jl:399
[14] top-level scope at ./none:3
in expression starting at /root/.julia/dev/LightML/src/LightML.jl:4
ERROR: Failed to precompile LightML [21c72615-c80e-5f28-8897-21b7f06a9402] to /root/.julia/compiled/v0.7/LightML/hSDel.ji.
Stacktrace:
[1] error(::String) at ./error.jl:33
[2] macro expansion at ./logging.jl:313 [inlined]
[3] compilecache(::Base.PkgId, ::String) at ./loading.jl:1185
[4] _require(::Base.PkgId) at ./logging.jl:311
[5] require(::Base.PkgId) at ./loading.jl:852
[6] macro expansion at ./logging.jl:311 [inlined]
[7] require(::Module, ::Symbol) at ./loading.jl:834

How can I do? Thank you!!

[John Lapeyre]

See my fork of this repository. In particular, the README.

I have not issued PRs for any of these changes, but can do so if desired.