0.7.0/master fails to build with python 3.7, can't find std_memory.pxd

I’m getting this when trying to install either master or 0.7.0:

running install
running bdist_egg
running egg_info
writing python_rocksdb.egg-info/PKG-INFO
writing dependency_links to python_rocksdb.egg-info/dependency_links.txt
writing requirements to python_rocksdb.egg-info/requires.txt
writing top-level names to python_rocksdb.egg-info/top_level.txt
cythoning rocksdb/_rocksdb.pyx to rocksdb/_rocksdb.cpp
/home/ec2-user/python-rocksdb/.eggs/Cython-3.0a3-py3.7-linux-x86_64.egg/Cython/Compiler/Main.py:344: FutureWarning: Cython directive 'language_level' not set, using '3str' for now (Py3). This has changed from earlier releases! File: /home/ec2-user/python-rocksdb/rocksdb/_rocksdb.pyx
  tree = Parsing.p_module(s, pxd, full_module_name)

Error compiling Cython file:
------------------------------------------------------------
...
from cpython.bytes cimport PyBytes_Size
from cpython.bytes cimport PyBytes_FromString
from cpython.bytes cimport PyBytes_FromStringAndSize
from cpython.unicode cimport PyUnicode_Decode

from std_memory cimport shared_ptr
^
------------------------------------------------------------

rocksdb/_rocksdb.pyx:15:0: 'std_memory.pxd' not found

This happens on both Linux and macos. 0.6.9 release from pypi installs fine. The file is there, so not sure why Python isn’t happy.

[cordawyn]

I was getting same errors, but upgrading pip (and friends) helped here.

pip install -U pip setuptools wheel

[fgimian]

I was getting same errors, but upgrading pip (and friends) helped here.

pip install -U pip setuptools wheel

This helped on Fedora 32 here too, thanks!

Thanks Fotis