Bump scipy from 1.5.3 to 1.5.4

Bumps scipy from 1.5.3 to 1.5.4.

Release notes

Sourced from scipy's releases.

SciPy 1.5.4 Release Notes

SciPy 1.5.4 is a bug-fix release with no new features compared to 1.5.3. Importantly, wheels are now available for Python 3.9 and a more complete fix has been applied for issues building with XCode 12.

Authors

• Peter Bell
• CJ Carey
• Andrew McCluskey +
• Andrew Nelson
• Tyler Reddy
• Eli Rykoff +
• Ian Thomas +

A total of 7 people contributed to this release. People with a "+" by their names contributed a patch for the first time. This list of names is automatically generated, and may not be fully complete.

Commits

• 19acfed REL: SciPy 1.5.4 release commit
• f17eec2 Merge pull request #13028 from tylerjereddy/treddy_backports_154_stage1
• 5270888 MAINT: Travis fix git history
• dd976c8 DOC: update 1.5.4 relnotes
• 05a71ff CI, MAINT: pin pip version Travis
• 91d60dc TST: xfail test_maxiter_worsening()
• 8bf3a25 BUG: Add explicit cast to _tmp sum.
• 7008ed4 BUG: improved the stability of kde for highly (1000s) multi-dimension inputs ...
• 9b4a7c5 BUG: fft.next_fast_len should accept keyword arguments
• cf53786 MAINT: Run lint_diff.py against the merge target and only for PRs
• Additional commits viewable in compare view