MAINT: Update required cython version to 0.29.14.

This is needed for the latest fixes for Python 3.8.

Author: charris

INSTALL.rst.txt

@@ -20,7 +20,7 @@ Building NumPy requires the following installed software:
    e.g., on Debian/Ubuntu one needs to install both `python3` and
    `python3-dev`. On Windows and macOS this is normally not an issue.
 
-2) Cython >= 0.29.13
+2) Cython >= 0.29.14
 
 3) pytest__ (optional) 1.15 or later
 

pyproject.toml

@@ -3,7 +3,7 @@
 requires = [
     "setuptools",
     "wheel",
-    "Cython>=0.29.13",  # Note: keep in sync with tools/cythonize.py
+    "Cython>=0.29.14",  # Note: keep in sync with tools/cythonize.py
 ]
 
 

tools/cythonize.py

@@ -68,11 +68,11 @@ def process_pyx(fromfile, tofile):
         # check the version, and invoke through python
         from distutils.version import LooseVersion
 
-        # Cython 0.29.13 is required for Python 3.8 and there are
+        # Cython 0.29.14 is required for Python 3.8 and there are
         # other fixes in the 0.29 series that are needed even for earlier
         # Python versions.
         # Note: keep in sync with that in pyproject.toml
-        required_version = LooseVersion('0.29.13')
+        required_version = LooseVersion('0.29.14')
 
         if LooseVersion(cython_version) < required_version:
             raise RuntimeError('Building {} requires Cython >= {}'.format(