codeview modify

[zhilong-xu]

What this PR does / why we need it:

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

Special notes for your reviewer:

Release note:

[codecov]

Codecov Report

Merging #502 (9bcae97) into pure-mapping (82c6ac8) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

@@               Coverage Diff                @@
##           pure-mapping     #502      +/-   ##
================================================
- Coverage         70.70%   70.67%   -0.03%     
================================================
  Files               180      180              
  Lines             18739    18737       -2     
  Branches           2765     2764       -1     
================================================
- Hits              13249    13243       -6     
- Misses             4647     4648       +1     
- Partials            843      846       +3     

Impacted Files	Coverage Δ
delfin/drivers/pure/flasharray/consts.py	100.00% <ø> (ø)
delfin/drivers/pure/flasharray/pure_flasharray.py	85.54% <100.00%> (-0.09%)	⬇️
delfin/drivers/fake_storage/__init__.py	93.63% <0.00%> (-1.02%)	⬇️