SciPy 1.2.1 是一个错误修复版本，与 1.2.0 相比没有新功能。最重要的是，它解决了 1.2.0 无法在 Python 2.7 上从源代码安装的问题，因为存在非 ASCII 字符问题。
同样值得注意的是，SciPy 1.2.1 wheels 是使用 OpenBLAS 0.3.5.dev 构建的，这可能会缓解在 SciPy 1.2.0 中观察到的一些线性代数问题。
Eric Larson
Mark Mikofski
Evgeni Burovski
Ralf Gommers
Eric Moore
Tyler Reddy
#9606: SyntaxError: Non-ASCII character ‘xe2’ in file scipy/stats/_continuous_distns.py on line 3346, but no encoding declared
#9608: Version 1.2.0 introduces too many indices for array error in…
#9709: scipy.stats.gaussian_kde normalizes the weights keyword argument…
#9733: scipy.linalg.qr_update gives NaN result
#9724: CI: Is scipy.scipy Windows Python36-32bit-full working?
#9612: BUG: don’t use array newton unless size is greater than 1
#9615: ENH: Add test for encoding
#9720: BUG: stats: weighted KDE does not modify the weights array
#9739: BUG: qr_updates fails if u is exactly in span Q
#9725: TST: pin mingw for Azure Win CI
#9736: TST: adjust to vmImage dispatch in Azure
#9681: BUG: Fix failing stats tests (partial backport)
#9662: TST: interpolate: avoid pytest deprecations
