Second attempt to install on Pi Zero using
curl -L hologram.io/python-install | bash
Fails near end of packages
> Requirement already satisfied: pycrypto==2.6.1 in /usr/lib/python2.7/dist-packag
es (from python-sdk-auth==0.2.1->hologram-python) Collecting idna<2.6,>=2.5 (from requests==2.18.3->hologram-python) 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 prepa re_files ignore_dependencies=self.ignore_dependencies)) File "/usr/lib/python2.7/dist-packages/pip/req/req_set.py", line 554, in _prep are_file require_hashes File "/usr/lib/python2.7/dist-packages/pip/req/req_install.py", line 278, in p opulate_link self.link = finder.find_requirement(self, upgrade) File "/usr/lib/python2.7/dist-packages/pip/index.py", line 465, in find_requir ement all_candidates = self.find_all_candidates(req.name) File "/usr/lib/python2.7/dist-packages/pip/index.py", line 423, in find_all_ca ndidates 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/s essions.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/s essions.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/s essions.py", line 609, in send r = adapter.send(request, **kwargs) File "/usr/share/python-wheels/CacheControl-0.11.7-py2.py3-none-any.whl/cachec ontrol/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/a dapters.py", line 423, in send timeout=timeout File "/usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl/urllib3/con nectionpool.py", line 643, in urlopen _stacktrace=sys.exc_info()[2]) File "/usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl/urllib3/uti l/retry.py", line 315, in increment total -= 1 TypeError: unsupported operand type(s) for -=: 'Retry' and 'int'