arrow: Broken Python 2.x support in new release 0.11.0

Hello,

New release (0.11.0) is broken for Python 2.x users, below you can find steps to reproduce:

~/.virtualenvs/tmp-455f8c1518baad7 via tmp-455f8c1518baad7
➔ python --version
Python 2.7.14

~/.virtualenvs/tmp-455f8c1518baad7 via tmp-455f8c1518baad7
➔ pip install arrow
Collecting arrow
Collecting python-dateutil (from arrow)
  Using cached python_dateutil-2.6.1-py2.py3-none-any.whl
Collecting six>=1.5 (from python-dateutil->arrow)
  Using cached six-1.11.0-py2.py3-none-any.whl
Installing collected packages: six, python-dateutil, arrow
Successfully installed arrow-0.11.0 python-dateutil-2.6.1 six-1.11.0

~/.virtualenvs/tmp-455f8c1518baad7 via tmp-455f8c1518baad7
➔ python
Python 2.7.14 (default, Sep 25 2017, 09:53:22)
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.37)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import arrow
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/ng/.virtualenvs/tmp-455f8c1518baad7/lib/python2.7/site-packages/arrow/__init__.py", line 3, in <module>
    from .arrow import Arrow
  File "/Users/ng/.virtualenvs/tmp-455f8c1518baad7/lib/python2.7/site-packages/arrow/arrow.py", line 19, in <module>
    from arrow import util, locales, parser, formatter
  File "/Users/ng/.virtualenvs/tmp-455f8c1518baad7/lib/python2.7/site-packages/arrow/parser.py", line 12, in <module>
    from backports.functools_lru_cache import lru_cache  # pragma: no cover
ImportError: No module named backports.functools_lru_cache
>>>

Could you fix this please?

About this issue

Original URL
State: closed
Created 7 years ago
Reactions: 3
Comments: 44 (10 by maintainers)

Commits related to this issue

Update setup.py to support <2.7 As suggested in #495 adds support for Python 2.6 and lower — committed to wilmardo/arrow by wilmardo 6 years ago

Most upvoted comments

I am running into this issue when installing audreyr/cookiecutter (due to cookiecutter > jinja2-time > arrow).

The issue seems to be that pip looks for backports.functools_lru_cache>=1.2.1 and not the pinned backports.functools_lru_cache==1.2.1. If I remove the 1.5 version and install the 1.2.1 it works fine.

What does needs fixing here and where does it needs to be fixed?

pip install

wilmardo@NUC-FLEX-01:/mnt/c/Users/wilmaro/Documents/Ubuntu$ pip install --user --no-cache-dir arrow
Collecting arrow
  Downloading arrow-0.12.1.tar.gz (65kB)
    100% |████████████████████████████████| 71kB 6.5MB/s
Requirement already satisfied: python-dateutil in /usr/local/lib/python2.7/dist-packages (from arrow)
Collecting backports.functools_lru_cache>=1.2.1 (from arrow)
  Downloading backports.functools_lru_cache-1.5-py2.py3-none-any.whl
Requirement already satisfied: six>=1.5 in /home/wilmardo/.local/lib/python2.7/site-packages (from python-dateutil->arrow)
Installing collected packages: backports.functools-lru-cache, arrow
  Running setup.py install for arrow ... done
Successfully installed arrow-0.12.1 backports.functools-lru-cache-1.5

pip install -v

wilmardo@NUC-FLEX-01:/mnt/c/Users/wilmaro/Documents/Ubuntu$ pip install --user --no-cache-dir -v arrow
Collecting arrow
  1 location(s) to search for versions of arrow:
  * https://pypi.python.org/simple/arrow/
  Getting page https://pypi.python.org/simple/arrow/
  Starting new HTTPS connection (1): pypi.python.org
  https://pypi.python.org:443 "GET /simple/arrow/ HTTP/1.1" 200 2313
  Analyzing links from page https://pypi.python.org/simple/arrow/
    Found link https://pypi.python.org/packages/02/44/13330b2e617cf0da9036dba69c8d6a3e30f88e94c4fce467f6ed413649a4/arrow-0.9.0.tar.gz#md5=05f77a45a263bb89b9858092e58e6dc1 (from https://pypi.python.org/simple/arrow/), version: 0.9.0
    Found link https://pypi.python.org/packages/1b/a5/45309cf597c61f33e7185d06591338938eba59bffbc3e79ad4fe0ec7d3e5/arrow-0.3.4.tar.gz#md5=e560c73a1c1f0fb90a124d8ba1920232 (from https://pypi.python.org/simple/arrow/), version: 0.3.4
    Found link https://pypi.python.org/packages/22/69/a8fdeb37143cbc9cf116378613a40c654e6509d243129dc7474fe93a069d/arrow-0.1.4.tar.gz#md5=dfc6d1f438ccd40d5b4b77efb04f4cc9 (from https://pypi.python.org/simple/arrow/), version: 0.1.4
    Found link https://pypi.python.org/packages/35/59/e1b0eb82d635028c2013fb26ddbc62b1586a9c8cc109f0387f8a3586058c/arrow-0.4.2.tar.gz#md5=5caa8442fd3a84a5ad0155a1f626ef1d (from https://pypi.python.org/simple/arrow/), version: 0.4.2
    Found link https://pypi.python.org/packages/3f/ec/888dc54d742551d18bf3762b0ca724de67f10761dbb863c85dceb394aeaf/arrow-0.1.tar.gz#md5=9e83e0ea8d4e9f585cda8dd29d0176a4 (from https://pypi.python.org/simple/arrow/), version: 0.1
    Found link https://pypi.python.org/packages/44/9b/e8a2aa0958a04b395b4abe9852af512b851fd11c6449b7192b57dd32f36a/arrow-0.4.1.tar.gz#md5=bbcd88f2105d4644730d2199d4e29953 (from https://pypi.python.org/simple/arrow/), version: 0.4.1
    Found link https://pypi.python.org/packages/4d/31/d9bae9763b669a8948107777339cdf0b49c89b4dd17a1a45a933148932ca/arrow-0.5.0.tar.gz#md5=fb8592d3097d23bcf550810ade774346 (from https://pypi.python.org/simple/arrow/), version: 0.5.0
    Found link https://pypi.python.org/packages/52/22/90c0488c0c673637276775fcea9fce94b421c12b3520b9632c31022ba64d/arrow-0.1.2.tar.gz#md5=c3c195c9b5f7753671f15072138455ae (from https://pypi.python.org/simple/arrow/), version: 0.1.2
    Found link https://pypi.python.org/packages/54/db/76459c4dd3561bbe682619a5c576ff30c42e37c2e01900ed30a501957150/arrow-0.10.0.tar.gz#md5=5d00592200050ad58284d45a4ee147c6 (from https://pypi.python.org/simple/arrow/), version: 0.10.0
    Found link https://pypi.python.org/packages/57/be/db25f7bd8f0e40cd57d80497c0cc298b50e24b3160f5bdf1a5ac4b2e448a/arrow-0.7.0.tar.gz#md5=1597108362c5fa675dc5e0524ece4451 (from https://pypi.python.org/simple/arrow/), version: 0.7.0
    Found link https://pypi.python.org/packages/58/91/21d65af4899adbcb4158c8f0def8ce1a6d18ddcd8bbb3f5a3800f03b9308/arrow-0.8.0.tar.gz#md5=4dd7534cf32bc9e4fd8d8ab2f7401363 (from https://pypi.python.org/simple/arrow/), version: 0.8.0
    Found link https://pypi.python.org/packages/60/a6/e121f2cdee2766e187bb9daa0fb5702083a54d2d97b4ee72530956955779/arrow-0.2.0.tar.gz#md5=875ee5e21b61f88e92bd5379a3d2dc97 (from https://pypi.python.org/simple/arrow/), version: 0.2.0
    Found link https://pypi.python.org/packages/73/61/b4881060a60491441700a9b93ff8c3c9501ffa8d4705c63ef810d62ff141/arrow-0.4.4.tar.gz#md5=8ea354c168fdf0a65a048ac665168d68 (from https://pypi.python.org/simple/arrow/), version: 0.4.4
    Found link https://pypi.python.org/packages/90/48/7ecfce4f2830f59dfacbb2b5a31e3ff1112b731a413724be40f57faa4450/arrow-0.12.0.tar.gz#md5=fafb41dadf2134688797bf1102eebeb6 (from https://pypi.python.org/simple/arrow/), version: 0.12.0
    Found link https://pypi.python.org/packages/9d/65/5ec9771df5db3db88ac6ce95148f6900a0127a190a373b3bd2dfd8fbc9c2/arrow-0.3.1.tar.gz#md5=c34127ae9da57e6dbdd233a817d10773 (from https://pypi.python.org/simple/arrow/), version: 0.3.1
    Found link https://pypi.python.org/packages/a4/dc/b9dd92a8a7085d91a560cb7d4931ce3ba299cdab248f8f1c9bab66b8b88d/arrow-0.2.1.tar.gz#md5=683e270fa139f4c969e5e36ed3428d3b (from https://pypi.python.org/simple/arrow/), version: 0.2.1
    Found link https://pypi.python.org/packages/a6/36/6b39562621c9d5025175db4c19a3e0c9df08270dfd27e8a75351852ff5b5/arrow-0.1.5.tar.gz#md5=a74c113613b2dd99640fae59d9da6e90 (from https://pypi.python.org/simple/arrow/), version: 0.1.5
    Found link https://pypi.python.org/packages/ab/e1/0e3b915ceef2c1123978f57167f53cee829ca9ce1f66f4e635cee63e2ea6/arrow-0.3.5.tar.gz#md5=b6ffcc19a8f5a67fb8d18e3b80878137 (from https://pypi.python.org/simple/arrow/), version: 0.3.5
    Found link https://pypi.python.org/packages/b8/17/90660f5f594f6bb698d1d4a238bf05daf05acebb2b6dacbb15fffa008cff/arrow-0.1.1.tar.gz#md5=359f36ace04fdee41f551cf1012c0832 (from https://pypi.python.org/simple/arrow/), version: 0.1.1
    Found link https://pypi.python.org/packages/bf/fd/4e179c4c575be8d9e289e7962760bec6637f5f8e8984935a9b76f069a5ce/arrow-0.3.2.tar.gz#md5=9a4d35818ca5fd9d7be50512976f3feb (from https://pypi.python.org/simple/arrow/), version: 0.3.2
    Found link https://pypi.python.org/packages/c8/1c/cbe0c43f9072e026800094d374a181f9b98d744193d0db55db3f449c50e1/arrow-0.1.6.tar.gz#md5=de16da2a01454750bd7ac236fdd39f83 (from https://pypi.python.org/simple/arrow/), version: 0.1.6
    Found link https://pypi.python.org/packages/cf/cb/f935b978dbd768bf14ba8cb84add7e86a1fda079f18746f1dc7e36f6e04f/arrow-0.6.0.tar.gz#md5=8ae050225d46a079b0bc038a81fea2ba (from https://pypi.python.org/simple/arrow/), version: 0.6.0
    Found link https://pypi.python.org/packages/d9/e7/8e2752def6e66cf4a7dc94a0d1a2c20082a962260e6d5a977d96166edb6e/arrow-0.3.0.tar.gz#md5=43048c10fa54b4dace276e9b2803619e (from https://pypi.python.org/simple/arrow/), version: 0.3.0
    Found link https://pypi.python.org/packages/db/12/9e0b9a78a7fe64f3638300009e43bff474ce3469b084553b37ff6140d203/arrow-0.5.4.tar.gz#md5=92c69f04a05c5fb03d43597833dcd5fb (from https://pypi.python.org/simple/arrow/), version: 0.5.4
    Found link https://pypi.python.org/packages/dc/33/41e768a0ce11cf22b63145f72a113b6d34758b55ea67100ea00fbe275cbb/arrow-0.4.6.tar.gz#md5=e073bdf6a3852558adcaeb42aeba2296 (from https://pypi.python.org/simple/arrow/), version: 0.4.6
    Found link https://pypi.python.org/packages/e0/86/4eb5228a43042e9a80fe8c84093a8a36f5db34a3767ebd5e1e7729864e7b/arrow-0.12.1.tar.gz#md5=73ad9f1841a1277acc9b915838165c7b (from https://pypi.python.org/simple/arrow/), version: 0.12.1
    Found link https://pypi.python.org/packages/e2/94/e99df2c68c316608336530abc2d38be6c26fe27ba088f7d03643ed86f7e4/arrow-0.3.3.tar.gz#md5=74042d50f253eafd69b94cea3cc9494f (from https://pypi.python.org/simple/arrow/), version: 0.3.3
    Found link https://pypi.python.org/packages/eb/0f/64c1f723808f47e0569bb3b807a5045c4332c7601fbc489afd11d946c609/arrow-0.11.0.tar.gz#md5=ad60ca7fa6efccd7d45212f3a3c2cc6b (from https://pypi.python.org/simple/arrow/), version: 0.11.0
    Found link https://pypi.python.org/packages/eb/eb/6591192dd6ed861a01aaa4d3ddd8a2bdf44406077a29aadf05b16b038ac1/arrow-0.4.0.tar.gz#md5=a3275a1fd50c94a983b6fe949d5c1082 (from https://pypi.python.org/simple/arrow/), version: 0.4.0
    Found link https://pypi.python.org/packages/ed/4c/de43c83576b91899105981d7d46014469140aeec0cbfbe1075d014e9e6ba/arrow-0.4.3.tar.gz#md5=0caed6c28e4c48582bd4556aaefba352 (from https://pypi.python.org/simple/arrow/), version: 0.4.3
    Found link https://pypi.python.org/packages/f2/4a/fabc7e78e9af8f04281db5122d173cd4e679208c5c3afbb0467ae9f353c7/arrow-0.1.3.tar.gz#md5=8aaace219714230ff874a0677652bc4f (from https://pypi.python.org/simple/arrow/), version: 0.1.3
  Using version 0.12.1 (newest of versions: 0.1, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5, 0.1.6, 0.2.0, 0.2.1, 0.3.0, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.3.5, 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.4.6, 0.5.0, 0.5.4, 0.6.0, 0.7.0, 0.8.0, 0.9.0, 0.10.0, 0.11.0, 0.12.0, 0.12.1)
  https://pypi.python.org:443 "GET /packages/e0/86/4eb5228a43042e9a80fe8c84093a8a36f5db34a3767ebd5e1e7729864e7b/arrow-0.12.1.tar.gz HTTP/1.1" 200 65356
  Downloading arrow-0.12.1.tar.gz (65kB)
  Downloading from URL https://pypi.python.org/packages/e0/86/4eb5228a43042e9a80fe8c84093a8a36f5db34a3767ebd5e1e7729864e7b/arrow-0.12.1.tar.gz#md5=73ad9f1841a1277acc9b915838165c7b (from https://pypi.python.org/simple/arrow/)
    100% |████████████████████████████████| 71kB 10.6MB/s
  Running setup.py (path:/tmp/pip-build-tJ08XH/arrow/setup.py) egg_info for package arrow
    Running command python setup.py egg_info
    running egg_info
    creating pip-egg-info/arrow.egg-info
    writing requirements to pip-egg-info/arrow.egg-info/requires.txt
    writing pip-egg-info/arrow.egg-info/PKG-INFO
    writing top-level names to pip-egg-info/arrow.egg-info/top_level.txt
    writing dependency_links to pip-egg-info/arrow.egg-info/dependency_links.txt
    writing manifest file 'pip-egg-info/arrow.egg-info/SOURCES.txt'
    reading manifest file 'pip-egg-info/arrow.egg-info/SOURCES.txt'
    reading manifest template 'MANIFEST.in'
    writing manifest file 'pip-egg-info/arrow.egg-info/SOURCES.txt'
  Source in /tmp/pip-build-tJ08XH/arrow has version 0.12.1, which satisfies requirement arrow from https://pypi.python.org/packages/e0/86/4eb5228a43042e9a80fe8c84093a8a36f5db34a3767ebd5e1e7729864e7b/arrow-0.12.1.tar.gz#md5=73ad9f1841a1277acc9b915838165c7b
Requirement already satisfied: python-dateutil in /usr/local/lib/python2.7/dist-packages (from arrow)
Collecting backports.functools_lru_cache>=1.2.1 (from arrow)
  1 location(s) to search for versions of backports.functools-lru-cache:
  * https://pypi.python.org/simple/backports-functools-lru-cache/
  Getting page https://pypi.python.org/simple/backports-functools-lru-cache/
  https://pypi.python.org:443 "GET /simple/backports-functools-lru-cache/ HTTP/1.1" 200 1384
  Analyzing links from page https://pypi.python.org/simple/backports-functools-lru-cache/
    Found link https://pypi.python.org/packages/00/9c/70c865c629d406531d05f46a5c5f68874f186bcc0424ed3bd7cbe54bfe7d/backports.functools_lru_cache-1.3.tar.gz#md5=b26a223250bd24ea2e0ad6ce47b19084 (from https://pypi.python.org/simple/backports-functools-lru-cache/), version: 1.3
    Found link https://pypi.python.org/packages/02/0b/91573feec859f794689fa46a62240526f4f1db829271ac2d98cf04a8efa2/backports.functools_lru_cache-1.4-py2.py3-none-any.whl#md5=6496f96517b2b0d22175e9f193664bc3 (from https://pypi.python.org/simple/backports-functools-lru-cache/) (requires-python:>=2.6), version: 1.4
    Found link https://pypi.python.org/packages/03/8e/2424c0e65c4a066e28f539364deee49b6451f8fcd4f718fefa50cc3dcf48/backports.functools_lru_cache-1.5-py2.py3-none-any.whl#md5=5a93b4dac0cc414ceff28ff678713e31 (from https://pypi.python.org/simple/backports-functools-lru-cache/) (requires-python:>=2.6), version: 1.5
    Found link https://pypi.python.org/packages/08/f7/2d48c54e0583197f6f953f9dca6356c966ee9edae45fcaf847cadae67651/backports.functools_lru_cache-1.1.tar.gz#md5=1c31e26546e12366608ca385e9cd9ffb (from https://pypi.python.org/simple/backports-functools-lru-cache/), version: 1.1
    Found link https://pypi.python.org/packages/37/89/1eea4455e28c2b61818eccbf0a9d3d32cc5c6d190bf8ba64fbdd2ce3674d/backports.functools_lru_cache-1.0.1.zip#md5=c789ef439d189330b99872746a6d9e85 (from https://pypi.python.org/simple/backports-functools-lru-cache/), version: 1.0.1
    Found link https://pypi.python.org/packages/3f/b8/e1a790a5b4f47bd09505975193b3d34f7091cbdc92902196cb96e1efb154/backports.functools_lru_cache-1.0.2.tar.gz#md5=8213ec0264ce9dd554693e5f21e5c3d3 (from https://pypi.python.org/simple/backports-functools-lru-cache/), version: 1.0.2
    Found link https://pypi.python.org/packages/4e/91/0e93d9455254b7b630fb3ebe30cc57cab518660c5fad6a08aac7908a4431/backports.functools_lru_cache-1.4.tar.gz#md5=b954e7d5e2ca0f0f66ad2ed12ba800e5 (from https://pypi.python.org/simple/backports-functools-lru-cache/) (requires-python:>=2.6), version: 1.4
    Found link https://pypi.python.org/packages/57/d4/156eb5fbb08d2e85ab0a632e2bebdad355798dece07d4752f66a8d02d1ea/backports.functools_lru_cache-1.5.tar.gz#md5=20f53f54cd3f04b3346ce75a54959754 (from https://pypi.python.org/simple/backports-functools-lru-cache/) (requires-python:>=2.6), version: 1.5
    Found link https://pypi.python.org/packages/62/cc/f75ba5dedd1aa23bfd867eb3b3a7305000edeaf7febf61ea1982e9661b6b/backports.functools_lru_cache-1.0.zip#md5=304542b708222e85e33a2fa7306243bd (from https://pypi.python.org/simple/backports-functools-lru-cache/), version: 1.0
    Found link https://pypi.python.org/packages/69/a0/23a679f5ff08f7b5496c508a6deb7e1145be81cad959c1536f48046ac2d5/backports.functools_lru_cache-1.0.3.tar.gz#md5=3d373b365c143bccf04eadea6e19171c (from https://pypi.python.org/simple/backports-functools-lru-cache/), version: 1.0.3
    Found link https://pypi.python.org/packages/7f/a2/ae29dd42ac013a49446a5ec60f4357469b340430b5b9f4aa0aa362f8a1c4/backports.functools_lru_cache-1.2.tar.gz#md5=641ced3d7973b88cc5a89f37bad66a26 (from https://pypi.python.org/simple/backports-functools-lru-cache/), version: 1.2
    Found link https://pypi.python.org/packages/87/77/5b2fd33e46c8ed4d67b45337d9f7bb27d1a1d577536470b39c267b5ce093/backports.functools_lru_cache-1.2.1.tar.gz#md5=ce4b68c8a170ee4fc3abc0ab52296a03 (from https://pypi.python.org/simple/backports-functools-lru-cache/), version: 1.2.1
    Found link https://pypi.python.org/packages/ac/e7/d774d773d105dd726d2a530b10ef0d534b231d95058c31109564a7a90b28/backports.functools_lru_cache-1.2-py2.py3-none-any.whl#md5=b289a0e9674c426c3f08553da64a0e22 (from https://pypi.python.org/simple/backports-functools-lru-cache/), version: 1.2
    Found link https://pypi.python.org/packages/d1/0e/c473e3c37c34fea699d85d5b9e3caf712813c4cd2dcc0a5a64ec2a6867f7/backports.functools_lru_cache-1.2.1-py2.py3-none-any.whl#md5=d7258feba9addcafbd6647249477d5e2 (from https://pypi.python.org/simple/backports-functools-lru-cache/), version: 1.2.1
    Found link https://pypi.python.org/packages/d4/40/0b1db94fdfd71353ae67ec444ff28e0a7ecc25212d1cb94c291b6cd226f9/backports.functools_lru_cache-1.3-py2.py3-none-any.whl#md5=bf15e14320b577810100338e2fb94303 (from https://pypi.python.org/simple/backports-functools-lru-cache/), version: 1.3
    Found link https://pypi.python.org/packages/ee/0b/3f1b22b5b8b9246202f92f73e841ce1c45871e7a878a9c12f2fb613282a7/backports.functools_lru_cache-1.1-py2.py3-none-any.whl#md5=7d3f4be70b3ad775ac989ae4064ad075 (from https://pypi.python.org/simple/backports-functools-lru-cache/), version: 1.1
  Using version 1.5 (newest of versions: 1.2.1, 1.3, 1.4, 1.5)
  https://pypi.python.org:443 "GET /packages/03/8e/2424c0e65c4a066e28f539364deee49b6451f8fcd4f718fefa50cc3dcf48/backports.functools_lru_cache-1.5-py2.py3-none-any.whl HTTP/1.1" 200 7007
  Downloading backports.functools_lru_cache-1.5-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/03/8e/2424c0e65c4a066e28f539364deee49b6451f8fcd4f718fefa50cc3dcf48/backports.functools_lru_cache-1.5-py2.py3-none-any.whl#md5=5a93b4dac0cc414ceff28ff678713e31 (from https://pypi.python.org/simple/backports-functools-lru-cache/) (requires-python:>=2.6)
Requirement already satisfied: six>=1.5 in /home/wilmardo/.local/lib/python2.7/site-packages (from python-dateutil->arrow)
Installing collected packages: backports.functools-lru-cache, arrow

  Running setup.py install for arrow ...     Running command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-tJ08XH/arrow/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-ALHDyg-record/install-record.txt --single-version-externally-managed --compile --user --prefix=
    running install
    running build
    running build_py
    creating build
    creating build/lib.linux-x86_64-2.7
    creating build/lib.linux-x86_64-2.7/arrow
    copying arrow/__init__.py -> build/lib.linux-x86_64-2.7/arrow
    copying arrow/api.py -> build/lib.linux-x86_64-2.7/arrow
    copying arrow/arrow.py -> build/lib.linux-x86_64-2.7/arrow
    copying arrow/factory.py -> build/lib.linux-x86_64-2.7/arrow
    copying arrow/formatter.py -> build/lib.linux-x86_64-2.7/arrow
    copying arrow/locales.py -> build/lib.linux-x86_64-2.7/arrow
    copying arrow/parser.py -> build/lib.linux-x86_64-2.7/arrow
    copying arrow/util.py -> build/lib.linux-x86_64-2.7/arrow
    running install_lib
    creating /home/wilmardo/.local/lib/python2.7/site-packages/arrow
    copying build/lib.linux-x86_64-2.7/arrow/__init__.py -> /home/wilmardo/.local/lib/python2.7/site-packages/arrow
    copying build/lib.linux-x86_64-2.7/arrow/api.py -> /home/wilmardo/.local/lib/python2.7/site-packages/arrow
    copying build/lib.linux-x86_64-2.7/arrow/arrow.py -> /home/wilmardo/.local/lib/python2.7/site-packages/arrow
    copying build/lib.linux-x86_64-2.7/arrow/factory.py -> /home/wilmardo/.local/lib/python2.7/site-packages/arrow
    copying build/lib.linux-x86_64-2.7/arrow/formatter.py -> /home/wilmardo/.local/lib/python2.7/site-packages/arrow
    copying build/lib.linux-x86_64-2.7/arrow/locales.py -> /home/wilmardo/.local/lib/python2.7/site-packages/arrow
    copying build/lib.linux-x86_64-2.7/arrow/parser.py -> /home/wilmardo/.local/lib/python2.7/site-packages/arrow
    copying build/lib.linux-x86_64-2.7/arrow/util.py -> /home/wilmardo/.local/lib/python2.7/site-packages/arrow
    byte-compiling /home/wilmardo/.local/lib/python2.7/site-packages/arrow/__init__.py to __init__.pyc
    byte-compiling /home/wilmardo/.local/lib/python2.7/site-packages/arrow/api.py to api.pyc
    byte-compiling /home/wilmardo/.local/lib/python2.7/site-packages/arrow/arrow.py to arrow.pyc
    byte-compiling /home/wilmardo/.local/lib/python2.7/site-packages/arrow/factory.py to factory.pyc
    byte-compiling /home/wilmardo/.local/lib/python2.7/site-packages/arrow/formatter.py to formatter.pyc
    byte-compiling /home/wilmardo/.local/lib/python2.7/site-packages/arrow/locales.py to locales.pyc
    byte-compiling /home/wilmardo/.local/lib/python2.7/site-packages/arrow/parser.py to parser.pyc
    byte-compiling /home/wilmardo/.local/lib/python2.7/site-packages/arrow/util.py to util.pyc
    running install_egg_info
    running egg_info
    writing requirements to arrow.egg-info/requires.txt
    writing arrow.egg-info/PKG-INFO
    writing top-level names to arrow.egg-info/top_level.txt
    writing dependency_links to arrow.egg-info/dependency_links.txt
    reading manifest file 'arrow.egg-info/SOURCES.txt'
    reading manifest template 'MANIFEST.in'
    writing manifest file 'arrow.egg-info/SOURCES.txt'
    Copying arrow.egg-info to /home/wilmardo/.local/lib/python2.7/site-packages/arrow-0.12.1-py2.7.egg-info
    running install_scripts
    writing list of installed files to '/tmp/pip-ALHDyg-record/install-record.txt'
done
  Removing source in /tmp/pip-build-tJ08XH/arrow
Successfully installed arrow-0.12.1 backports.functools-lru-cache-1.5
Cleaning up...

test import

wilmardo@NUC-FLEX-01:/mnt/c/Users/wilmaro/Documents/Ubuntu$ python
Python 2.7.12 (default, Dec  4 2017, 14:50:18)
[GCC 5.4.0 20160609] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import arrow
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/wilmardo/.local/lib/python2.7/site-packages/arrow/__init__.py", line 3, in <module>
    from .arrow import Arrow
  File "/home/wilmardo/.local/lib/python2.7/site-packages/arrow/arrow.py", line 19, in <module>
    from arrow import util, locales, parser, formatter
  File "/home/wilmardo/.local/lib/python2.7/site-packages/arrow/parser.py", line 12, in <module>
    from backports.functools_lru_cache import lru_cache  # pragma: no cover
ImportError: No module named functools_lru_cache
>>>

pip install --user backports.functools_lru_cache==1.2.1

wilmardo@NUC-FLEX-01:/mnt/c/Users/wilmaro/Documents/Ubuntu$ pip install --user backports.functools_lru_cache==1.2.1
Collecting backports.functools_lru_cache==1.2.1
  Using cached backports.functools_lru_cache-1.2.1-py2.py3-none-any.whl
Installing collected packages: backports.functools-lru-cache
  Found existing installation: backports.functools-lru-cache 1.5
    Uninstalling backports.functools-lru-cache-1.5:
      Successfully uninstalled backports.functools-lru-cache-1.5
Successfully installed backports.functools-lru-cache-1.2.1

test import with 1.2.1

wilmardo@NUC-FLEX-01:/mnt/c/Users/wilmaro/Documents/Ubuntu$ python
Python 2.7.12 (default, Dec  4 2017, 14:50:18)
[GCC 5.4.0 20160609] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import arrow
>>>

wilmardo on Mar 22, 2018

I am also seeing this issue on 0.12.1

I uninstalled 0.12.1, installed 0.12.0 and it worked fine.

reynolek on Mar 6, 2018

Thanks for letting us know!

I think it is worth compiling a list of solutions to try if this issue occurs again for someone in the future:

Try updating pip: pip install --upgrade pip
Try updating Python 2 to the latest version 2.7.16

jadchaar on Jun 24, 2019

@systemcatch Good catch! 👍

Opened the PR to hotfix this for now, also reopened the issue over at jaraco/backports.functools_lru_cache

wilmardo on Mar 28, 2018

Thank you!

Gr1N on Nov 25, 2017