Issue fix min p value

[ali-harasty]

sorry!

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Please upload report for BASE (master@75320b4). Learn more about missing BASE report. Report is 2 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #70 +/- ## ========================================= Coverage ? 97.03% ========================================= Files ? 7 Lines ? 674 Branches ? 0 ========================================= Hits ? 654 Misses ? 20 Partials ? 0 ``` | [Flag](https://app.codecov.io/gh/zktuong/ktplotspy/pull/70/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Zewen+Kelvin+Tuong) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/zktuong/ktplotspy/pull/70/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Zewen+Kelvin+Tuong) | `97.03% <100.00%> (?)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Zewen+Kelvin+Tuong#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files](https://app.codecov.io/gh/zktuong/ktplotspy/pull/70?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Zewen+Kelvin+Tuong) | Coverage Δ | | |---|---|---| | [ktplotspy/plot/plot\_cpdb.py](https://app.codecov.io/gh/zktuong/ktplotspy/pull/70?src=pr&el=tree&filepath=ktplotspy%2Fplot%2Fplot_cpdb.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Zewen+Kelvin+Tuong#diff-a3RwbG90c3B5L3Bsb3QvcGxvdF9jcGRiLnB5) | `93.46% <100.00%> (ø)` | |

[zktuong]

closes #70