sina etf day kdata bug fix

[chforest]

Bug fix: sina etf kdata recorder

[codecov[bot]]

Codecov Report

Merging #112 into master will decrease coverage by 0.05%. The diff coverage is 60.00%.

@@            Coverage Diff             @@
##           master     #112      +/-   ##
==========================================
- Coverage   55.28%   55.23%   -0.06%     
==========================================
  Files         152      152              
  Lines        6522     6527       +5     
==========================================
- Hits         3606     3605       -1     
- Misses       2916     2922       +6     

Impacted Files	Coverage Δ
zvt/recorders/sina/china_etf_day_kdata_recorder.py	32.05% <60.00%> (-2.20%)	:arrow_down:
zvt/contract/reader.py	78.16% <0.00%> (-0.71%)	:arrow_down:

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 3bbd736...6bdc0c5. Read the comment docs.

[foolcage]

thanks