use np.testing.assert_almost_equal to compare numpy arrays

[njzjz]

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[codecov-commenter]

Codecov Report

Merging #201 (6a2ee19) into devel (674a95f) will increase coverage by 0.30%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##            devel     #201      +/-   ##
==========================================
+ Coverage   81.24%   81.54%   +0.30%     
==========================================
  Files          54       54              
  Lines        4554     4639      +85     
==========================================
+ Hits         3700     3783      +83     
- Misses        854      856       +2     

Impacted Files	Coverage Δ
dpdata/amber/sqm.py	98.78% <0.00%> (-1.22%)	⬇️
dpdata/plugins/gromacs.py	95.00% <0.00%> (ø)
dpdata/gromacs/gro.py	98.78% <0.00%> (+0.03%)	⬆️
dpdata/bond_order_system.py	64.78% <0.00%> (+3.49%)	⬆️
dpdata/plugins/amber.py	85.71% <0.00%> (+4.23%)	⬆️
dpdata/plugins/rdkit.py	80.64% <0.00%> (+16.12%)	⬆️
dpdata/plugins/ase.py	65.45% <0.00%> (+19.30%)	⬆️

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