materialize(filename) used to work on version 0.4.0
julia> df = Feather.materialize(Feather.read(fname)); # works fine
julia> df = Feather.materialize(fname);
ERROR: MethodError: no method matching colname(::Feather.Source{NamedTuple{...}})
Closest candidates are:
colname(::Feather.Source{NamedTuple{names,T}}, ::Symbol) where {names, T} at /home/cst-jean/.julia/packages/Feather/92Jkl/src/source.jl:47
colname(::Feather.Source, ::String) at /home/cst-jean/.julia/packages/Feather/92Jkl/src/source.jl:48
colname(::Feather.Source, ::Symbol) at /home/cst-jean/.julia/packages/Feather/92Jkl/src/source.jl:49
Stacktrace:
[1] (::getfield(Feather, Symbol("##8#9")){Feather.Source{NamedTuple{(...) at /home/cst-jean/.julia/packages/Feather/92Jkl/src/source.jl:105
[6] materialize(::String) at /home/cst-jean/.julia/packages/Feather/92Jkl/src/source.jl:106
[7] top-level scope at none:0
materialize(filename)
used to work on version 0.4.0