remove inner constructor deprecation warning on 0.6

[aviks]

No description provided.

[codecov-io]

Codecov Report

Merging #161 into master will decrease coverage by 0.19%.
The diff coverage is 100%.

@@            Coverage Diff            @@
##           master     #161     +/-   ##
=========================================
- Coverage   70.17%   69.98%   -0.2%     
=========================================
  Files           4        4             
  Lines         523      523             
=========================================
- Hits          367      366      -1     
- Misses        156      157      +1

Impacted Files	Coverage Δ
src/streaming.jl	78.99% <100%> (ø)	⬆️
src/multipart.jl	58.26% <0%> (-0.87%)	⬇️

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