ERROR: Package 'jittor' requires a different Python: 2.7.17 not in '>=3.7'

[Zhongwei-Luo]

hello,after I execute the comand in ubuntu 18.04

sudo pip install ./jittor

and get error :ERROR: Package 'jittor' requires a different Python: 2.7.17 not in '>=3.7'

[cxjyxxme]

First you need to install python3.7 and you can run
python3.7 -m pip install ./jittor

[Zhongwei-Luo]

hi,after execute this command : sudo apt install python3.7

and then execute python3.7 -m pip install ./jittor,
then I get these errors:

python3.7 -m pip install ./jittor
Processing ./jittor
Collecting astunparse (from jittor==1.0.0)
Exception:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/pip/basecommand.py", line 215, in main
status = self.run(options, args)
File "/usr/lib/python3/dist-packages/pip/commands/install.py", line 353, in run
wb.build(autobuilding=True)
File "/usr/lib/python3/dist-packages/pip/wheel.py", line 749, in build
self.requirement_set.prepare_files(self.finder)
File "/usr/lib/python3/dist-packages/pip/req/req_set.py", line 380, in prepare_files
ignore_dependencies=self.ignore_dependencies))
File "/usr/lib/python3/dist-packages/pip/req/req_set.py", line 554, in _prepare_file
require_hashes
File "/usr/lib/python3/dist-packages/pip/req/req_install.py", line 278, in populate_link
self.link = finder.find_requirement(self, upgrade)
File "/usr/lib/python3/dist-packages/pip/index.py", line 465, in find_requirement
all_candidates = self.find_all_candidates(req.name)
File "/usr/lib/python3/dist-packages/pip/index.py", line 423, in find_all_candidates
for page in self._get_pages(url_locations, project_name):
File "/usr/lib/python3/dist-packages/pip/index.py", line 568, in _get_pages
page = self._get_page(location)
File "/usr/lib/python3/dist-packages/pip/index.py", line 683, in _get_page
return HTMLPage.get_page(link, session=self.session)
File "/usr/lib/python3/dist-packages/pip/index.py", line 792, in get_page
"Cache-Control": "max-age=600",
File "/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/sessions.py", line 533, in get
return self.request('GET', url, **kwargs)
File "/usr/lib/python3/dist-packages/pip/download.py", line 386, in request
return super(PipSession, self).request(method, url, *args, **kwargs)
File "/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/sessions.py", line 520, in request
resp = self.send(prep, **send_kwargs)
File "/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/sessions.py", line 630, in send
r = adapter.send(request, **kwargs)
File "/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/adapters.py", line 405, in send
conn = self.get_connection(request.url, proxies)
File "/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/adapters.py", line 303, in get_connection
proxy_manager = self.proxy_manager_for(proxy)
File "/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/adapters.py", line 187, in proxy_manager_for
**proxy_kwargs
File "/usr/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/adapters.py", line 44, in SOCKSProxyManager
raise InvalidSchema("Missing dependencies for SOCKS support.")
pip._vendor.requests.exceptions.InvalidSchema: Missing dependencies for SOCKS support.

[cxjyxxme]

Hello，if you cannot install dependencies from pip, please check the network environment.

[Zhongwei-Luo]

您好，如果您无法通过pip安装依赖项，请检查网络环境。

hello,thanks for reply,I am online,but actually have problems when I try to use pip to instal something,so I chang the source to aliyun source in order to install numpy etc,