I can't get the drivers to install on my Raspberry Pi. If I use pip install I get:

[helloman1802]

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[helloman1802]

When I use pip install to install the drivers I get:
`
Downloading/unpacking adafruit-pca9685
Cleaning up...
Exception:
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in main
status = self.run(options, args)
File "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line 290, in run
requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
File "/usr/lib/python2.7/dist-packages/pip/req.py", line 1178, in prepare_files
url = finder.find_requirement(req_to_install, upgrade=self.upgrade)
File "/usr/lib/python2.7/dist-packages/pip/index.py", line 194, in find_requirement
page = self._get_page(main_index_url, req)
File "/usr/lib/python2.7/dist-packages/pip/index.py", line 568, in _get_page
session=self.session,
File "/usr/lib/python2.7/dist-packages/pip/index.py", line 694, in get_page
req, link, "connection error: %s" % exc, url,
TypeError: str returned non-string (type Error)

Storing debug log for failure in /root/.pip/pip.log

If I use setup.py it tells me that it is missing a file and that I might be missing some files.
`

Thanks,
Malachi

[tdicola]

It looks like the version of pip you have installed might have issues. I would start from a fresh install of Raspbian, then get the latest pip by running:

sudo apt-get update
sudo apt-get install python-dev python-pip
sudo pip install --upgrade pip

Give that a shot to see if it helps fix the pip issue. I can't repro the problem when I try on a current Raspbian build:

pi@raspberrypi:~/Adafruit_Python_MCP4725 $ sudo pip install adafruit-pca9685
Downloading/unpacking adafruit-pca9685
  Downloading Adafruit_PCA9685-1.0.0-py2-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): Adafruit-GPIO>=0.6.5 in /usr/local/lib/python2.7/dist-packages/Adafruit_GPIO-1.0.0-py2.7.egg (from adafruit-pca9685)
Requirement already satisfied (use --upgrade to upgrade): adafruit-pureio in /usr/local/lib/python2.7/dist-packages/Adafruit_PureIO-0.2.0-py2.7.egg (from Adafruit-GPIO>=0.6.5->adafruit-pca9685)
Requirement already satisfied (use --upgrade to upgrade): spidev in /usr/local/lib/python2.7/dist-packages/spidev-3.2-py2.7-linux-armv7l.egg (from Adafruit-GPIO>=0.6.5->adafruit-pca9685)
Installing collected packages: adafruit-pca9685
Successfully installed adafruit-pca9685
Cleaning up...