user@computer1:~$ python3 -m pip install --upgrade radicale
Downloading/unpacking radicale
  Downloading Radicale-2.0.0.tar.gz (48kB): 48kB downloaded
Cleaning up...
setuptools must be installed to install from a source distribution
Storing debug log for failure in /home/user/.pip/pip.log


---------- pip.log -------------

/usr/lib/python3/dist-packages/pip/__main__.py run on Fri Jun 16 19:22:16 2017
Downloading/unpacking radicale
  Getting page https://pypi.python.org/simple/radicale/
  URLs to search for versions for radicale:
  * https://pypi.python.org/simple/radicale/
  Analyzing links from page https://pypi.python.org/simple/radicale/
    Found link https://pypi.python.org/packages/0f/6f/e476a45edbc85b9a3d86bb840f831aa0057f2b4267b3621625aa11a4a381/Radicale-1.1-py2.py3-none-any.whl#md5=1c9d27e2fc2df072a70b94e2e1707ce3 (from https://pypi.python.org/simple/radicale/), version: 1.1
    Found link https://pypi.python.org/packages/1a/0f/8257f624785a13c10fb671008347d16b98d4f830e9ec8610913c75c6bab3/Radicale-1.0.1-py2.py3-none-any.whl#md5=3fb7c6631e720f06fdd0e8914dd941c8 (from https://pypi.python.org/simple/radicale/), version: 1.0.1
    Found link https://pypi.python.org/packages/1f/34/69d105c6318a2c312a0b86ffed4ab699ab842e52da957d411c65a66eb648/Radicale-0.8.tar.gz#md5=ad903ead8b910180f80652c0beaebaf6 (from https://pypi.python.org/simple/radicale/), version: 0.8
    Found link https://pypi.python.org/packages/20/12/002b9fe26cff4a124c5698236fe861cc0346805b2b58cfdd1dc2cba2a7ec/Radicale-1.1.tar.gz#md5=2e3f11d05d7a21ee412dfd7bd5c38961 (from https://pypi.python.org/simple/radicale/), version: 1.1
    Found link https://pypi.python.org/packages/2e/37/d5e2b871488bc49c77d99b0137d0150629a87a6d76615ad6760562e44a9b/Radicale-1.1.3.tar.gz#md5=edc5e207e33c9f157643f0a9b216eb5f (from https://pypi.python.org/simple/radicale/), version: 1.1.3
    Found link https://pypi.python.org/packages/30/df/0e0b119a81aaceeaa48cec27f531785f187bf53f67bfc2b70a3ec7556acc/Radicale-0.5.tar.gz#md5=cf935bb484bc66899ba14e0c158254f5 (from https://pypi.python.org/simple/radicale/), version: 0.5
    Found link https://pypi.python.org/packages/39/18/1443135c41f8c0301503b9b4e8cc9ad963b14e285d1ebee8ed4455864eea/Radicale-0.9b1.tar.gz#md5=863fec072cb5c11194062f237a1eb22c (from https://pypi.python.org/simple/radicale/), version: 0.9b1
    Found link https://pypi.python.org/packages/3b/b2/549fcb771446829d1768df4026e52171b1d342dc1575c9af2cbdcbdad44a/Radicale-1.1.2-py3-none-any.whl#md5=56251536b2d79939136b3f07826a1483 (from https://pypi.python.org/simple/radicale/), version: 1.1.2
    Found link https://pypi.python.org/packages/49/2c/50a68528e6a8de4b7a638193956bdea8a3c9917792f66a37d9e861eb1abb/Radicale-2.0.0rc1.tar.gz#md5=62fc296b08a26f27976aacbd0e2decdc (from https://pypi.python.org/simple/radicale/), version: 2.0.0rc1
    Found link https://pypi.python.org/packages/4f/4d/5e20c6e57cdfa073bdbcfb18a39bde88baf1cc35fb289bfc8a5400199985/Radicale-0.9.tar.gz#md5=38295981c8e595fe774c6a5e6908c844 (from https://pypi.python.org/simple/radicale/), version: 0.9
    Found link https://pypi.python.org/packages/55/33/1f5d7be95ad4dcafefc1ddc5bb722181b652b8ce3ed0a3cbe4e60fad13cb/Radicale-1.1.1.tar.gz#md5=a29dd538377ea24cec83237a636122ae (from https://pypi.python.org/simple/radicale/), version: 1.1.1
    Found link https://pypi.python.org/packages/6b/1b/235b9e914b3cad9dfbca47fe7442ff343965d34fd4f56afded4a89c46342/Radicale-2.0.0rc1-py3-none-any.whl#md5=9447a2d26902fecf98ade3b63fed02ea (from https://pypi.python.org/simple/radicale/), version: 2.0.0rc1
    Found link https://pypi.python.org/packages/6d/61/195b18237849c1763d84dfcda85b018e03614e37b8863207e5f3bd2fc8c2/Radicale-2.0.0rc2-py3-none-any.whl#md5=d15b531c9fee544bbdc356d63c8b5178 (from https://pypi.python.org/simple/radicale/), version: 2.0.0rc2
    Found link https://pypi.python.org/packages/72/5f/eab5bae37b548fd92fbfaaf4a2ab0ac390eb98958922292a52f7043bc3d6/Radicale-0.7.tar.gz#md5=94818386c1ab3bc3e27330149eb1067f (from https://pypi.python.org/simple/radicale/), version: 0.7
    Found link https://pypi.python.org/packages/79/29/a9fa99fd32bf100d739d50e11c45d460e53e7ed4eb4ce5ae8c654dc58072/Radicale-0.6.1.tar.gz#md5=1adc15f4562c9a88641da2db45895d2a (from https://pypi.python.org/simple/radicale/), version: 0.6.1
    Found link https://pypi.python.org/packages/84/66/91ce425b3f6c8e81e3eed36dcd1b0a1b458f6d01eade12613f44d28a9881/Radicale-0.6.tar.gz#md5=9e5beaf443ee29b67d39e5f5616e8ce3 (from https://pypi.python.org/simple/radicale/), version: 0.6
    Found link https://pypi.python.org/packages/99/ec/9e7334a0c9eaad1ae8a942c4dce08a9d5a24197669b14b2ce33ff1a5044a/Radicale-1.0.1.tar.gz#md5=e29e51df14bc8ca5a580998d5d592285 (from https://pypi.python.org/simple/radicale/), version: 1.0.1
    Found link https://pypi.python.org/packages/a5/7a/8a556d136f81257d71cb8cedb4c60b4dc2e429f2116ef1ede81597fe9b1d/Radicale-0.7.1.tar.gz#md5=ab1167b1ee713a7a58d843c5921f3327 (from https://pypi.python.org/simple/radicale/), version: 0.7.1
    Found link https://pypi.python.org/packages/af/24/b5baeb4bfd67e28fb06fe173b43d60f14a8809abb2ef679d37180ef20780/Radicale-2.0.0.tar.gz#md5=e58c5b37c5f4bded859f9cbd7ea39105 (from https://pypi.python.org/simple/radicale/), version: 2.0.0
    Found link https://pypi.python.org/packages/b3/20/146d168d3ec5d762b67cdbff8d8ede93a19eb1af2b6345f54957ef2f5608/Radicale-0.6.2.tar.gz#md5=cd4d268641c021de23d4b5ad28120c07 (from https://pypi.python.org/simple/radicale/), version: 0.6.2
    Found link https://pypi.python.org/packages/b6/fc/f5829f8fb136bb11206b9664f6a1c03caa15e1ad0176fe8eae90da6d0c9e/Radicale-1.1.2.tar.gz#md5=4d4816adf10b269072abea286381e65c (from https://pypi.python.org/simple/radicale/), version: 1.1.2
    Found link https://pypi.python.org/packages/c7/07/563f6597667eccdee62290cfb5c70458ecb87271ef8e8aa9529b0a81b680/Radicale-0.2.tar.gz#md5=9751a851e24d666d91438600b0f456a0 (from https://pypi.python.org/simple/radicale/), version: 0.2
    Found link https://pypi.python.org/packages/d0/70/4b74339d27a0b26ae0a442d8827a4bc80006aa1595a10d262bbf590cdedd/Radicale-2.0.0rc2.tar.gz#md5=f3814cd8aa5142ff2a45314c48076012 (from https://pypi.python.org/simple/radicale/), version: 2.0.0rc2
    Found link https://pypi.python.org/packages/d2/6a/3d8f17b4e0c1dad54161570536c021a3595f5256f983491434930b38e491/Radicale-0.6.4.tar.gz#md5=be9c5d8df985059ddd652529565fae9f (from https://pypi.python.org/simple/radicale/), version: 0.6.4
    Found link https://pypi.python.org/packages/d3/de/8e76489b52554e0ca302e7fd2ef43835610af17188cfdcb2dd998b7dbbbe/Radicale-0.10.tar.gz#md5=32655d8893962956ead0ad690cca6044 (from https://pypi.python.org/simple/radicale/), version: 0.10
    Found link https://pypi.python.org/packages/d6/27/5095c6109502c91026dc1c2b890a13f314e08334c98ffdbaabd1a3d03220/Radicale-1.1.1-py2.py3-none-any.whl#md5=7032087cf02115b9be6b8eadf027c1f5 (from https://pypi.python.org/simple/radicale/), version: 1.1.1
    Found link https://pypi.python.org/packages/d7/0a/078f60c1033f3b43956b2611408ae0c2c35e8403e467acf1522c7f629791/Radicale-0.9b2.tar.gz#md5=1903412cdc0f01fb878eb6bfd9f205fc (from https://pypi.python.org/simple/radicale/), version: 0.9b2
    Found link https://pypi.python.org/packages/d7/c6/218c5df7bb8776bfe8704135c12e00844f2eddec256b10ecfa9ccd3f6108/Radicale-0.4.tar.gz#md5=c6d5b26e6e2b3be2d737aa582583faee (from https://pypi.python.org/simple/radicale/), version: 0.4
    Found link https://pypi.python.org/packages/ee/ac/eb9c77cfa2b0e6251e940d0b676e2740b742bce3d6aba955ae1b68c505a1/Radicale-0.6.3.tar.gz#md5=c1503b2543ccd43382ae560ca6f75951 (from https://pypi.python.org/simple/radicale/), version: 0.6.3
    Found link https://pypi.python.org/packages/fd/6a/ad567ef0f6f3af8338935528787ef3952ae5c50d2a30e91a41c3da953c5f/Radicale-0.3.tar.gz#md5=55145f56832c3ec522bf8ed070b5ccdf (from https://pypi.python.org/simple/radicale/), version: 0.3
  Ignoring link https://pypi.python.org/packages/39/18/1443135c41f8c0301503b9b4e8cc9ad963b14e285d1ebee8ed4455864eea/Radicale-0.9b1.tar.gz#md5=863fec072cb5c11194062f237a1eb22c (from https://pypi.python.org/simple/radicale/), version 0.9b1 is a pre-release (use --pre to allow).
  Ignoring link https://pypi.python.org/packages/49/2c/50a68528e6a8de4b7a638193956bdea8a3c9917792f66a37d9e861eb1abb/Radicale-2.0.0rc1.tar.gz#md5=62fc296b08a26f27976aacbd0e2decdc (from https://pypi.python.org/simple/radicale/), version 2.0.0rc1 is a pre-release (use --pre to allow).
  Ignoring link https://pypi.python.org/packages/6b/1b/235b9e914b3cad9dfbca47fe7442ff343965d34fd4f56afded4a89c46342/Radicale-2.0.0rc1-py3-none-any.whl#md5=9447a2d26902fecf98ade3b63fed02ea (from https://pypi.python.org/simple/radicale/), version 2.0.0rc1 is a pre-release (use --pre to allow).
  Ignoring link https://pypi.python.org/packages/6d/61/195b18237849c1763d84dfcda85b018e03614e37b8863207e5f3bd2fc8c2/Radicale-2.0.0rc2-py3-none-any.whl#md5=d15b531c9fee544bbdc356d63c8b5178 (from https://pypi.python.org/simple/radicale/), version 2.0.0rc2 is a pre-release (use --pre to allow).
  Ignoring link https://pypi.python.org/packages/d0/70/4b74339d27a0b26ae0a442d8827a4bc80006aa1595a10d262bbf590cdedd/Radicale-2.0.0rc2.tar.gz#md5=f3814cd8aa5142ff2a45314c48076012 (from https://pypi.python.org/simple/radicale/), version 2.0.0rc2 is a pre-release (use --pre to allow).
  Ignoring link https://pypi.python.org/packages/d7/0a/078f60c1033f3b43956b2611408ae0c2c35e8403e467acf1522c7f629791/Radicale-0.9b2.tar.gz#md5=1903412cdc0f01fb878eb6bfd9f205fc (from https://pypi.python.org/simple/radicale/), version 0.9b2 is a pre-release (use --pre to allow).
  Using version 2.0.0 (newest of versions: 2.0.0, 1.1.3, 1.1.2, 1.1.2, 1.1.1, 1.1.1, 1.1, 1.1, 1.0.1, 1.0.1, 0.10, 0.9, 0.8, 0.7.1, 0.7, 0.6.4, 0.6.3, 0.6.2, 0.6.1, 0.6, 0.5, 0.4, 0.3, 0.2)
  Downloading from URL https://pypi.python.org/packages/af/24/b5baeb4bfd67e28fb06fe173b43d60f14a8809abb2ef679d37180ef20780/Radicale-2.0.0.tar.gz#md5=e58c5b37c5f4bded859f9cbd7ea39105 (from https://pypi.python.org/simple/radicale/)
Cleaning up...
setuptools must be installed to install from a source distribution
Exception information:
Traceback (most recent call last):
  File "<frozen importlib._bootstrap>", line 2218, in _find_and_load_unlocked
AttributeError: 'module' object has no attribute '__path__'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/pip/req.py", line 266, in setup_py
    import setuptools
  File "/usr/lib/python3/dist-packages/setuptools/__init__.py", line 10, in <module>
    from setuptools.extern.six.moves import filter, map
  File "/usr/lib/python3/dist-packages/setuptools/extern/__init__.py", line 1, in <module>
    from pkg_resources.extern import VendorImporter
ImportError: No module named 'pkg_resources.extern'; 'pkg_resources' is not a package

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/pip/basecommand.py", line 122, in main
    status = self.run(options, args)
  File "/usr/lib/python3/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/python3/dist-packages/pip/req.py", line 1230, in prepare_files
    req_to_install.run_egg_info()
  File "/usr/lib/python3/dist-packages/pip/req.py", line 293, in run_egg_info
    logger.notify('Running setup.py (path:%s) egg_info for package %s' % (self.setup_py, self.name))
  File "/usr/lib/python3/dist-packages/pip/req.py", line 270, in setup_py
    "setuptools must be installed to install from a source "
pip.exceptions.InstallationError: setuptools must be installed to install from a source distribution