fix doc: "structures" should be a list

[HuangJiameng]

The type of parameter "structures" in relaxation.json of dpgen autotest should be a list. Fix the wrong type in Autotest Overview.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 39.55%. Comparing base (a9d324b) to head (e5e338b).
Report is 193 commits behind head on devel.

Additional details and impacted files

@@           Coverage Diff           @@
##            devel    #1091   +/-   ##
=======================================
  Coverage   39.55%   39.55%           
=======================================
  Files          99       99           
  Lines       17981    17981           
=======================================
  Hits         7112     7112           
  Misses      10869    10869           

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[AnguseZhang]

Do we also need to optimize the error log if users provide wrong types of inputs? Probably use dargs? @HuangJiameng

[njzjz]

Do we also need to optimize the error log if users provide wrong types of inputs?

You can open a new issue to track it.

[HuangJiameng]

Do we also need to optimize the error log if users provide wrong types of inputs? Probably use dargs? @HuangJiameng

The check on input argument dict hasn't been applied to autotest yet. An issue is welcomed.