Haitao/fix_err_case

[haitch]

No description provided.

[codecov-commenter]

Codecov Report

Merging #8 (9b1bede) into main (b1b1221) will increase coverage by 7.50%.
The diff coverage is 82.14%.

@@            Coverage Diff             @@
##             main       #8      +/-   ##
==========================================
+ Coverage   72.72%   80.23%   +7.50%     
==========================================
  Files           9        9              
  Lines         418      430      +12     
==========================================
+ Hits          304      345      +41     
+ Misses         94       70      -24     
+ Partials       20       15       -5     

Impacted Files	Coverage Δ
graph/graph.go	85.71% <77.77%> (+14.98%)	⬆️
graph/error.go	63.63% <83.33%> (+63.63%)	⬆️
step_builder.go	75.14% <83.33%> (ø)
job.go	95.00% <100.00%> (ø)
error.go	25.00% <0.00%> (-25.00%)	⬇️
graph_node.go	90.47% <0.00%> (+7.93%)	⬆️
retryer.go	100.00% <0.00%> (+16.66%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.