add pycryptodome to requirements

[LeoQuote]

django 貌似不带这些玩意儿了

另外 3.6.5 不支持算了 ,CI 挂了, 反正我们的base 是 3.8

[request-info]

你好!感谢你反馈的问题/bug，但是你的描述好像是空的，我们需要你完整的信息，这样才能帮你解决问题 如果不知道怎么写，在新建issue的时候有若干个模板可供选择，祝好！

[codecov]

Codecov Report

Merging #1050 (7bdd3a9) into master (339edd9) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1050      +/-   ##
==========================================
+ Coverage   77.91%   77.93%   +0.01%     
==========================================
  Files          76       76              
  Lines       11937    11937              
==========================================
+ Hits         9301     9303       +2     
+ Misses       2636     2634       -2     

Impacted Files	Coverage Δ
sql/engines/tests.py	99.82% <0.00%> (+0.17%)	⬆️

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