fix(hansbug): try add the tempfile using back

[HansBug]

No description provided.

[codecov]

Codecov Report

Merging #51 (63a43aa) into main (bfbd23d) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #51   +/-   ##
=======================================
  Coverage   99.24%   99.24%           
=======================================
  Files          35       35           
  Lines        2125     2129    +4     
=======================================
+ Hits         2109     2113    +4     
  Misses         16       16           

Flag	Coverage Δ
unittests	99.24% <100.00%> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
treevalue/entry/cli/graph.py	100.00% <100.00%> (ø)

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