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- pi@raspberrypi:~ $ pip install cv2
- Collecting cv2
- Exception:
- Traceback (most recent call last):
- File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 215, in main
- status = self.run(options, args)
- File "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line 353, in run
- wb.build(autobuilding=True)
- File "/usr/lib/python2.7/dist-packages/pip/wheel.py", line 749, in build
- self.requirement_set.prepare_files(self.finder)
- File "/usr/lib/python2.7/dist-packages/pip/req/req_set.py", line 380, in prepare_files
- ignore_dependencies=self.ignore_dependencies))
- File "/usr/lib/python2.7/dist-packages/pip/req/req_set.py", line 554, in _prepare_file
- require_hashes
- File "/usr/lib/python2.7/dist-packages/pip/req/req_install.py", line 278, in populate_link
- self.link = finder.find_requirement(self, upgrade)
- File "/usr/lib/python2.7/dist-packages/pip/index.py", line 465, in find_requirement
- all_candidates = self.find_all_candidates(req.name)
- File "/usr/lib/python2.7/dist-packages/pip/index.py", line 423, in find_all_candidates
- for page in self._get_pages(url_locations, project_name):
- File "/usr/lib/python2.7/dist-packages/pip/index.py", line 568, in _get_pages
- page = self._get_page(location)
- File "/usr/lib/python2.7/dist-packages/pip/index.py", line 683, in _get_page
- return HTMLPage.get_page(link, session=self.session)
- File "/usr/lib/python2.7/dist-packages/pip/index.py", line 792, in get_page
- "Cache-Control": "max-age=600",
- File "/usr/share/python-wheels/requests-2.12.4-py2.py3-none-any.whl/requests/sessions.py", line 501, in get
- return self.request('GET', url, **kwargs)
- File "/usr/lib/python2.7/dist-packages/pip/download.py", line 386, in request
- return super(PipSession, self).request(method, url, *args, **kwargs)
- File "/usr/share/python-wheels/requests-2.12.4-py2.py3-none-any.whl/requests/sessions.py", line 488, in request
- resp = self.send(prep, **send_kwargs)
- File "/usr/share/python-wheels/requests-2.12.4-py2.py3-none-any.whl/requests/sessions.py", line 609, in send
- r = adapter.send(request, **kwargs)
- File "/usr/share/python-wheels/CacheControl-0.11.7-py2.py3-none-any.whl/cachecontrol/adapter.py", line 47, in send
- resp = super(CacheControlAdapter, self).send(request, **kw)
- File "/usr/share/python-wheels/requests-2.12.4-py2.py3-none-any.whl/requests/adapters.py", line 423, in send
- timeout=timeout
- File "/usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl/urllib3/connectionpool.py", line 594, in urlopen
- chunked=chunked)
- File "/usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl/urllib3/connectionpool.py", line 350, in _make_request
- self._validate_conn(conn)
- File "/usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl/urllib3/connectionpool.py", line 837, in _validate_conn
- conn.connect()
- File "/usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl/urllib3/connection.py", line 323, in connect
- ssl_context=context)
- File "/usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl/urllib3/util/ssl_.py", line 308, in ssl_wrap_socket
- context.load_verify_locations(ca_certs, ca_cert_dir)
- File "/usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl/urllib3/contrib/pyopenssl.py", line 392, in load_verify_locations
- self._ctx.load_verify_locations(cafile, capath)
- File "/usr/lib/python2.7/dist-packages/OpenSSL/SSL.py", line 525, in load_verify_locations
- _raise_current_error()
- File "/usr/lib/python2.7/dist-packages/OpenSSL/_util.py", line 48, in exception_from_error_queue
- raise exception_type(errors)
- Error: []
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