check temporary error when conn write

[DarthPestilane]

No description provided.

[codecov-commenter]

Codecov Report

Merging #12 (5986489) into master (b159388) will increase coverage by 0.11%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #12      +/-   ##
==========================================
+ Coverage   96.32%   96.43%   +0.11%     
==========================================
  Files          11       11              
  Lines         381      393      +12     
==========================================
+ Hits          367      379      +12     
  Misses          7        7              
  Partials        7        7              

Impacted Files	Coverage Δ
server.go	86.20% <100.00%> (-0.16%)	⬇️
session.go	100.00% <100.00%> (ø)

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