
Traceback (most recent call last):


 "/Applications/anaconda/lib/python3.5/site-packages/conda/cli/install.py", line 405, in install

execute_actions(actions, index, verbose=not context.quiet)


 "/Applications/anaconda/lib/python3.5/site-packages/conda/plan.py", line 643, in execute_actions

inst.execute_instructions(plan, index, verbose)


 "/Applications/anaconda/lib/python3.5/site-packages/conda/instructions.py", line 135, in execute_instructions

cmd(state, arg)


 "/Applications/anaconda/lib/python3.5/site-packages/conda/instructions.py", line 47, in FETCH_CMD

fetch_pkg(state['index'][arg + '.tar.bz2'])


 "/Applications/anaconda/lib/python3.5/site-packages/conda/fetch.py", line 353, in fetch_pkg

download(url, path, session=session, md5=info['md5'], urlstxt=True)


 "/Applications/anaconda/lib/python3.5/site-packages/conda/fetch.py", line 440, in download

raise CondaRuntimeError("Could not open %r for writing (%s)." % (pp, e))

conda.exceptions.CondaRuntimeError: Runtime error: Could not open '/Applications/anaconda/pkgs/cffi-1.10.0-py35_0.tar.bz2.part' for writing ([Errno 13] Permission denied: '/Applications/anaconda/pkgs/cffi-1.10.0-py35_0.tar.bz2.part').

Collecting cv_bridge Exception: Traceback (most recent call last): 
 "/usr/lib/python3/dist-packages/pip/basecommand.py", line 215, in main status = self.run(options, args) 
 "/usr/lib/python3/dist-packages/pip/commands/install.py", line 353, in run wb.build(autobuilding=True) 
 "/usr/lib/python3/dist-packages/pip/wheel.py", line 749, in build self.requirement_set.prepare_files(self.finder) 
 "/usr/lib/python3/dist-packages/pip/req/req_set.py", line 380, in prepare_files ignore_dependencies=self.ignore_dependencies)) 
 "/usr/lib/python3/dist-packages/pip/req/req_set.py", line 554, in _prepare_file require_hashes 
 "/usr/lib/python3/dist-packages/pip/req/req_install.py", line 278, in populate_link self.link = finder.find_requirement(self, upgrade) 
 "/usr/lib/python3/dist-packages/pip/index.py", line 465, in find_requirement all_candidates = self.find_all_candidates(req.name) 
 "/usr/lib/python3/dist-packages/pip/index.py", line 423, in find_all_candidates for page in self._get_pages(url_locations, project_name): 
 "/usr/lib/python3/dist-packages/pip/index.py", line 568, in _get_pages page = self._get_page(location) 
 "/usr/lib/python3/dist-packages/pip/index.py", line 683, in _get_page return HTMLPage.get_page(link, session=self.session) 
 "/usr/lib/python3/dist-packages/pip/index.py", line 795, in get_page resp.raise_for_status() 
 "/usr/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/cv-bridge/