Fixed bugs (#2474)
* fixed bug
* fixup! Format Python code with psf/black push
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> D
Du Yuanchao committed
a196a36514aca9fa4fd231970a4bf750b11a4983
Parent: 53c2a24
Committed by GitHub <noreply@github.com>
on 9/25/2020, 1:20:09 PM