제목에서 볼 수 있듯이 PostgreSQL 클라이언트 설치후 db 생성후에 psycopg2를 설치하려고
pip install psycopg2-binary Collecting psycopg2-binary 명령어를 입력하였더니 붉은색으로 오류 메시지가 나오면서 설치가 안되는 현상이 일어나는데 혹시 해결책 아시는 분 있으신가요?

 Using cached https://files.pythonhosted.org/packages/d3/8a/a7ed55c2c55bd4f5844d72734fedc0cef8a74518a0a19105a21c15628f1e/psycopg2_binary-2.8.5-cp36-cp36m-manylinux1_x86_64.whl
Collecting Collecting
Exception:
Traceback (most recent call last):
  File "/home/ubuntu/venvs/mysite/lib/python3.6/site-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/home/ubuntu/venvs/mysite/lib/python3.6/site-packages/pip/commands/install.py", line 353, in run
    wb.build(autobuilding=True)
  File "/home/ubuntu/venvs/mysite/lib/python3.6/site-packages/pip/wheel.py", line 749, in build
    self.requirement_set.prepare_files(self.finder)
  File "/home/ubuntu/venvs/mysite/lib/python3.6/site-packages/pip/req/req_set.py", line 380, in prepare_files
    ignore_dependencies=self.ignore_dependencies))
  File "/home/ubuntu/venvs/mysite/lib/python3.6/site-packages/pip/req/req_set.py", line 554, in _prepare_file
    require_hashes
  File "/home/ubuntu/venvs/mysite/lib/python3.6/site-packages/pip/req/req_install.py", line 278, in populate_link
    self.link = finder.find_requirement(self, upgrade)
  File "/home/ubuntu/venvs/mysite/lib/python3.6/site-packages/pip/index.py", line 465, in find_requirement
    all_candidates = self.find_all_candidates(req.name)
  File "/home/ubuntu/venvs/mysite/lib/python3.6/site-packages/pip/index.py", line 423, in find_all_candidates
    for page in self._get_pages(url_locations, project_name):
  File "/home/ubuntu/venvs/mysite/lib/python3.6/site-packages/pip/index.py", line 568, in _get_pages
    page = self._get_page(location)
  File "/home/ubuntu/venvs/mysite/lib/python3.6/site-packages/pip/index.py", line 683, in _get_page
    return HTMLPage.get_page(link, session=self.session)
  File "/home/ubuntu/venvs/mysite/lib/python3.6/site-packages/pip/index.py", line 795, in get_page
    resp.raise_for_status()
  File "/home/ubuntu/venvs/mysite/share/python-wheels/requests-2.18.4-py2.py3-none-any.whl/requests/models.py", line 935, in raise_for_status
    raise HTTPError(http_error_msg, response=self)
requests.exceptions.HTTPError: 404 Client Error: Not Found for url: https://pypi.org/simple/collecting/