Created temporary directory: /tmp/pip-ephem-wheel-cache-dgi71qy2
Created temporary directory: /tmp/pip-req-tracker-3toc84zo
Created requirements tracker '/tmp/pip-req-tracker-3toc84zo'
Created temporary directory: /tmp/pip-wheel-y__tcv1h
Collecting nixio==1.5.0b4
  1 location(s) to search for versions of nixio:
  * https://pypi.org/simple/nixio/
  Getting page https://pypi.org/simple/nixio/
  Analyzing links from page https://pypi.org/simple/nixio/
    Skipping link https://files.pythonhosted.org/packages/16/82/98d15f79aa694524bf40ec34f2b7a2d5532a4d69c9a5b9ed5b7a82dc24cf/nixio-1.1.0-py3.5-linux-x86_64.egg#sha256=49d9ac65a70d4e2a60e97884c3cebb24ae916f460b06c96eada55ddd609f6a75 (from https://pypi.org/simple/nixio/); unsupported archive format: .egg
    Skipping link https://files.pythonhosted.org/packages/10/92/97ec94243ac4459d0304a986f806c56f86c07d4f59f92bc0be13434f805b/nixio-1.1.0-py3.5.egg#sha256=eab29e04af2f0f165f4c69abc9c9e3871c5109505ab2e43dfa85f1998c0cd62b (from https://pypi.org/simple/nixio/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/fe/e7/7a64dce4073b2eae5ac311a66d53872bcc6711604bce52d43d2f0f944361/nixio-1.2.dev0.tar.gz#sha256=ec4b3b5a28cd0817870911898792f870d9fa2296d246c4cefcf109185dd77f9d (from https://pypi.org/simple/nixio/), version: 1.2.dev0
    Found link https://files.pythonhosted.org/packages/b1/7d/b14d3962be5a58314cb057394b0eb97c69c795c88d366859fa5aa0acba04/nixio-1.2.0.post1.tar.gz#sha256=1a008f7a7422dd5f1c1b3607162fd1204067be8609c35b304fe9ce90989db185 (from https://pypi.org/simple/nixio/), version: 1.2.0.post1
    Found link https://files.pythonhosted.org/packages/ec/18/a626adea01eba8e25bf581fa3e81c37685f33bc60ada06cfb2ccb4cba670/nixio-1.2.0.post2.tar.gz#sha256=7e3965782a640c309787d1de7831c161231073deb0f49ea45804659dbf9ffece (from https://pypi.org/simple/nixio/), version: 1.2.0.post2
    Found link https://files.pythonhosted.org/packages/1d/16/61ce598b1f1b64f6013dab10774962ece992a34e712256e38af6455c4440/nixio-1.2.0.post3.tar.gz#sha256=8fd89da6783ce1cad1b89318311b5ae2cf3d5ffc8a14dde8acffdf7c21c00127 (from https://pypi.org/simple/nixio/), version: 1.2.0.post3
    Skipping link https://files.pythonhosted.org/packages/1f/cf/2fcda8646ba4b99a8003c39eb6afa446ffc34668128b638a8107ec752299/nixio-1.2.1-py2-none-any.whl#sha256=ad2bcb5423fdffec3b143343597ebcf069ffb5d61e364c417f7f42d3352e0221 (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/6f/e4/8444a5f847759cf301368f27778616ac4d647252e2f48ec93949444786cb/nixio-1.2.1-py3-none-any.whl#sha256=73ba7c74526748f782e6acb95ea6cd335afabab32fc7f5e1c26081165799e158 (from https://pypi.org/simple/nixio/), version: 1.2.1
    Found link https://files.pythonhosted.org/packages/c6/0e/976d917ae7d9658238ff09f6b727acf90bfc973d9e651d7670ffedc7e840/nixio-1.2.1.tar.gz#sha256=0525198ae5611576d84df0df820936be034bbadcf96192c7542bb747b7adb7ed (from https://pypi.org/simple/nixio/), version: 1.2.1
    Skipping link https://files.pythonhosted.org/packages/b7/ba/a3ba6b3bbc1f52fbd6fd388650c3f0522d67e82a39736a0a007f2e51ff79/nixio-1.3.0-py2-none-any.whl#sha256=f217c1330e9f709ee0ba63111292cd55bb3afb5ff01102cf1d0aeb5c526d9fdc (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/73/cd/a126af9de5c334aba9816e692cb1237862cc3ad56adf3ffecdfc3aa0051d/nixio-1.3.0-py3-none-any.whl#sha256=7ebbe1b05744129962ac71eacb33e299e03f647367038e69cb78e847291233f1 (from https://pypi.org/simple/nixio/), version: 1.3.0
    Found link https://files.pythonhosted.org/packages/56/e5/9fb2069f7b86a17e88841fe8dbcb987871a93fbd523ac6332523aeda7221/nixio-1.3.0.tar.gz#sha256=7a04e6baac675a0ffc91eea6a6750092dcf9d805f38ddd911518ebffd3421945 (from https://pypi.org/simple/nixio/), version: 1.3.0
    Skipping link https://files.pythonhosted.org/packages/f7/92/fbec52e0e28a726c8a86977f4f0ce565f2a0f131beb0313399151fd080aa/nixio-1.3.1-py2-none-any.whl#sha256=f81de148256d22844b37394fe92623c078ad59f6b9f42f0c9333f0ac2d72c18b (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/08/b8/2137d538e35ceaf8e641ff7a49b70644518fa5c038db152bc95aeeb1bdc5/nixio-1.3.1-py3-none-any.whl#sha256=197259800baab896618183157029985a1ed13d256241b63369e5bf9ef8d75150 (from https://pypi.org/simple/nixio/), version: 1.3.1
    Skipping link https://files.pythonhosted.org/packages/7f/6d/f6039488337553915f6980076001bec63a38d52e246ae9c166a0c853b155/nixio-1.3.1-py3.6-linux-x86_64.egg#sha256=0ffafc77e4a66b8559933fdebf527c583d96084d14a654da4c095c35c6ad12c5 (from https://pypi.org/simple/nixio/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/8a/0c/bc7c61154b5d2b29bc999ff72f5c6417ac4a694ce6170122d6c5e3af6801/nixio-1.3.1.tar.gz#sha256=c42c22be73e98e7174d6642bfe32733a3324428eefade4eed42a15bbda97d026 (from https://pypi.org/simple/nixio/), version: 1.3.1
    Skipping link https://files.pythonhosted.org/packages/71/cc/1f89c1b8fa7c518208dbd1d89612e6129e030c54800c495766ca842388f4/nixio-1.4.0-py2-none-any.whl#sha256=d8076b12198f456b9415e31a8b6a87b61796a19e8b33c9b481d7001ec220ec69 (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/f9/08/b879bf9148db2b1390fad4b8695c84bb79591f8f0b25ab1c47a6cb3c9cda/nixio-1.4.0-py3-none-any.whl#sha256=d4ac32b4cbad6f23e902130835e28f5bd36ff4c6ba6ba37d29df6d1662141334 (from https://pypi.org/simple/nixio/), version: 1.4.0
    Found link https://files.pythonhosted.org/packages/57/a7/1d77db9fe55ad1a4d1f74f0e47caa353531b21679f99fba9e6a219713b8b/nixio-1.4.0.tar.gz#sha256=f74c68d7e11686d74b521f965cc044335fc4054cbfd2feffa784223eba3bc273 (from https://pypi.org/simple/nixio/), version: 1.4.0
    Skipping link https://files.pythonhosted.org/packages/3a/e6/41033c807cb5e099cea5a23bc753dfaa4f8d7c039f5e1822b44eb4304112/nixio-1.4.1-py2-none-any.whl#sha256=65b91a74cfc6305692dade9917e6b8788cc3723e50bb395f32fa48c872a0b3a7 (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/2a/76/db7651aa4b8f63a104af7df0d6ec9d3a10b6cdac8397c7cac4fbeea7a2c8/nixio-1.4.1-py3-none-any.whl#sha256=3be6833185012ea6bce94dffa20c02e2065a8ef916c3105a675ef142b54125bd (from https://pypi.org/simple/nixio/), version: 1.4.1
    Found link https://files.pythonhosted.org/packages/7b/bf/e567471fda6bcdc3bf9f7b9ef87cc5389ee4c6ea47cae6deeebe86063b73/nixio-1.4.1.tar.gz#sha256=6a1213d5c9c5e1250e7b808d9233c4419397c740526f729a4c81f5d74607d138 (from https://pypi.org/simple/nixio/), version: 1.4.1
    Skipping link https://files.pythonhosted.org/packages/f1/47/a73ad2b121f1d7f3166e3cdd23ff6f980869bf6bf08178690f92ce32f52a/nixio-1.4.2-py2-none-any.whl#sha256=ad028bb7fe17dc6a9ae554ae1cd0f23e1078a09815e1a72ae907718ea9956d45 (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/fd/f9/0ee7936fcfe8d16bb26b8be5ce2760f5c518fcc0acb085711c4472ea8012/nixio-1.4.2-py3-none-any.whl#sha256=fe8180204712053d8bc91a7a99eaeb40896c28846b427239e0698991d02c5fac (from https://pypi.org/simple/nixio/), version: 1.4.2
    Found link https://files.pythonhosted.org/packages/0b/db/d4560d4061720a7d9b887d4dae388e15cbf6ac6958a081e12948a470e873/nixio-1.4.2.tar.gz#sha256=bdc2834d36f36afcf9ff747359fd498c7d99c03a5267811d65fbe4a41f9df69b (from https://pypi.org/simple/nixio/), version: 1.4.2
    Skipping link https://files.pythonhosted.org/packages/2f/18/767c968c6237c8acc71c96284fd59b55ad3bda303f9a70634cfce9bd699f/nixio-1.4.3-py2-none-any.whl#sha256=74452466b4c2354c74446ef1168b2be74882d92656491a0b6c4aa948e5086158 (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/32/35/7342da95d61735bb22a5a8dea15b7be34f2dc650c6a33a4dd9f0ea7988e8/nixio-1.4.3-py3-none-any.whl#sha256=738e879c109085423c143b4bb83f7031e0273b36291356dfc5bfbcb0967da34c (from https://pypi.org/simple/nixio/), version: 1.4.3
    Found link https://files.pythonhosted.org/packages/d9/65/5620f0b8d4279c7e9d3467fcbc69f9b54016fa460a809417d29492ac0a2a/nixio-1.4.3.tar.gz#sha256=544bc12390f19aaa38c7a368b33965b134ffee5d0a3b6f9dfffac9038ce67d69 (from https://pypi.org/simple/nixio/), version: 1.4.3
    Skipping link https://files.pythonhosted.org/packages/0e/0b/1722b2a794ec8902088ebdff692d60bdfa9569a4b319ab8f0c0eea9c1af9/nixio-1.4.4-py2-none-any.whl#sha256=b46e01eb34293fc2cdfe262e0608382668f50a6409b3500a5d3350e9de751fc1 (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/25/b4/b56102e1a22af7e00a09eaaa27c636c8ad72ef10e8141b914c29cf68e3ae/nixio-1.4.4-py3-none-any.whl#sha256=8b7c2ebe117d950e14cdf3def08f2d4ac6a901e791c6470d0c2c7e676e27c14e (from https://pypi.org/simple/nixio/), version: 1.4.4
    Found link https://files.pythonhosted.org/packages/05/da/612cecdd396ae58c43f78f99a43b60cd339d222cd13732184ab882d07e19/nixio-1.4.4.tar.gz#sha256=64f9c903a58576168af2bc67218709eb004ed40d19adb8043d49ede312fc7fdb (from https://pypi.org/simple/nixio/), version: 1.4.4
    Skipping link https://files.pythonhosted.org/packages/f2/ae/c6d3e77686a82a98b72a19548e2a9d5c9d3aac88aa6d893413c6c2bd157a/nixio-1.4.5-py2-none-any.whl#sha256=af34eb4f5911117c239fcd36c64dac0a4d54c285daf02788daed7b64b7b1667c (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/92/bd/373a0fa0dd9dfb0a9a4cbe32d89410cba22e3d9aee55fd55c0c4462a8c59/nixio-1.4.5-py3-none-any.whl#sha256=68382ebbc9f9e750d27a60b8db4de0454072be5ee31a0c4bccc43fc2bdf4ef8b (from https://pypi.org/simple/nixio/), version: 1.4.5
    Found link https://files.pythonhosted.org/packages/64/35/2f89aeac861221d10b2b7a2cbdfdedbfa11195e7754bb87161cbe81b172f/nixio-1.4.5.tar.gz#sha256=81ed3d8ac7220cca7852ec3159190553a5a4c5a2def7497e12eded9f7ff15fa7 (from https://pypi.org/simple/nixio/), version: 1.4.5
    Skipping link https://files.pythonhosted.org/packages/70/b0/1e93343900fe9c714cffafb941674d053821d80dfa59971d71b3a64750ed/nixio-1.4.6-py2-none-any.whl#sha256=fbb3220c02b64b2819d59848778e24fa40ce21608d71e28ce23edd39f3ccd175 (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/80/0d/bae3e89559c3c2b0c72dd60c64858458a31fb367ca201d82be8611b35b2b/nixio-1.4.6-py3-none-any.whl#sha256=2073a7f046565c3301ed6e20363062e82d21d789b64ca01893161fc7d498d6a1 (from https://pypi.org/simple/nixio/), version: 1.4.6
    Found link https://files.pythonhosted.org/packages/7a/2f/e0691991bce69ab4da0a98d83d6578cdc1056dc2ddca2fbf134077aac811/nixio-1.4.6.tar.gz#sha256=a0cdacbeb28d1ea219dfc22e0af3075d584d4d2ca6f23bd378283dd15f9ac959 (from https://pypi.org/simple/nixio/), version: 1.4.6
    Skipping link https://files.pythonhosted.org/packages/9c/79/456dc8ab2cb5ac52bb2ba92da15507140d4e4723bb07364d8c2df2fa9a77/nixio-1.4.7-py2-none-any.whl#sha256=1891557c733620d60e67d826a10fbacfc38f3de00544ab9962e1c20861bd17be (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/b2/23/8bf91bad292bd258a89cfbdb05b24f138ff4d6e0040f8dfd20189e17e552/nixio-1.4.7-py3-none-any.whl#sha256=f0b22c32689a4e924a12abfcfd0dbbde86884d10505d7c10faeb6423be7a0183 (from https://pypi.org/simple/nixio/), version: 1.4.7
    Found link https://files.pythonhosted.org/packages/2a/d2/4cda1aed8bd5d68a1166918fec2fc7f423994c0d635993678bfdac3694f1/nixio-1.4.7.tar.gz#sha256=26321c910f2677aab68f1cb594a77ce2f04d2b5be3f407cb31f308bb1d3d6eeb (from https://pypi.org/simple/nixio/), version: 1.4.7
    Skipping link https://files.pythonhosted.org/packages/3c/7d/141431b1800246e6f34aacd98be77f49b0845b832daf02cac2dc47923057/nixio-1.4.8-py2-none-any.whl#sha256=d97f52edee3ed02ab0a710b5cfbbe9eff01a8d23127c067715dc9bb107818555 (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/ed/2d/286dae5e988d50858bdf5cc894b8375fc5c62aceeff3196ec2f2eefa8c65/nixio-1.4.8-py3-none-any.whl#sha256=9fbffbc5b3d5c6a0c08db562d68ec256322be99ec22b591e6ffc7ef62982bdf4 (from https://pypi.org/simple/nixio/), version: 1.4.8
    Found link https://files.pythonhosted.org/packages/15/ab/a3a849ba495f00316f219e369003d141d565d16bf9d9b943258990a453d2/nixio-1.4.8.tar.gz#sha256=5b2f3b47eb4bbf4917b92985d1721339674eaa89b2310d052c61442ce92f4f08 (from https://pypi.org/simple/nixio/), version: 1.4.8
    Skipping link https://files.pythonhosted.org/packages/de/54/0f074d510614655c98ba660cf4e08a183da4525bb62f1ce8803fa1f54be9/nixio-1.4.9-py2-none-any.whl#sha256=506644f1845267aa05f54beeb31e4048b23d3148b1f73df47171419bc4b328b0 (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/f4/ce/cf63ce00a3c619937ba9e0b5b5beedc827838836a17036a723d43e1934dd/nixio-1.4.9-py3-none-any.whl#sha256=8db1ba74e4f1efd704bf3bb293fe01b08a464bee894974f1357e7ef692250e7e (from https://pypi.org/simple/nixio/), version: 1.4.9
    Found link https://files.pythonhosted.org/packages/96/f6/ded093afaf510ebc04902c594368b8983d81aa3518f8f7b13b81e8e14e5d/nixio-1.4.9.tar.gz#sha256=9b1ac1e16f32c9c0a670a6bf3e7a9dbe7bf867e2ebf56980aa48f58e0fa47ede (from https://pypi.org/simple/nixio/), version: 1.4.9
    Skipping link https://files.pythonhosted.org/packages/0e/45/d0fe6b0ee38d4e677a1812e1c72d60663aa0f24c6f65d67dbe0b3734d471/nixio-1.5.0b1-py2-none-any.whl#sha256=36a3ea2f5ace47d9336a7b22fe58c15542c0ee3520ef22faf48626fe41475522 (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/d1/f6/6d14d17a9f76807ab410d7534cf014155cb3535da20d2ed2fe36b5c3c40d/nixio-1.5.0b1-py3-none-any.whl#sha256=87d6befe5e2d4b5f791f7bfc7ea2f6571cd1288b4a19f3c5136038726bf9bb65 (from https://pypi.org/simple/nixio/), version: 1.5.0b1
    Found link https://files.pythonhosted.org/packages/96/fe/7ce4021837b522a27d372dac9c00e8077d3ca4e327c8999957300ec29647/nixio-1.5.0b1.tar.gz#sha256=693c3d501c5ca465c11f6436763e91ba8de9d85e25f9377a230c88f544c4d91e (from https://pypi.org/simple/nixio/), version: 1.5.0b1
    Skipping link https://files.pythonhosted.org/packages/8b/20/78a05d4b0bac1d778ef0f2e2eab97218742b8735d268a95fd5cc26a72697/nixio-1.5.0b2-py2-none-any.whl#sha256=e62d3e05d9a6b3740c3af24cfcb6a510fca15e15911fd120d9e1e416b291af2d (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/60/fd/8cb4bd16207fb5a82b58efb1cc81ac5379e7739c2c0ef998d57a7774af7e/nixio-1.5.0b2-py3-none-any.whl#sha256=133df7863db41fd5971d381a8a7b78a1a7bfa1cf380448746c7f8482abe9de16 (from https://pypi.org/simple/nixio/), version: 1.5.0b2
    Found link https://files.pythonhosted.org/packages/0e/16/ddbfd6e556ff7b9448cfd24c9b6a9f361dcc4ee8060b395d83f1f72248c7/nixio-1.5.0b2.tar.gz#sha256=b5995a62e10ba033f2ff2d32ab9952151676418ff959b837041d1a46005c81b8 (from https://pypi.org/simple/nixio/), version: 1.5.0b2
    Skipping link https://files.pythonhosted.org/packages/2e/5a/cbe3dcd6f28992d5a861f140215b370db70cb9ffb113041f2a9c18301b5f/nixio-1.5.0b3-py2-none-any.whl#sha256=335fece952f0f573a8f452a421c12350c22668f875f44fd6190e525ee46262ec (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/68/39/61f3d556f5d88a819faf37e6c172a6a1faee0d01986d70d2385ee0d20f36/nixio-1.5.0b3-py3-none-any.whl#sha256=b63d475390ff93493f32fdc0c93f4908fe3ac17f2338949c78890a1f4ff26e9c (from https://pypi.org/simple/nixio/), version: 1.5.0b3
    Found link https://files.pythonhosted.org/packages/ab/4e/38a3934396df4f6179df88705cf5cb948706d6aa35b3b535458013a7e433/nixio-1.5.0b3.tar.gz#sha256=32c56d7e2e9defd728b69c9cd5ce4023d6f343cf2173512178c257a68de653f2 (from https://pypi.org/simple/nixio/), version: 1.5.0b3
    Skipping link https://files.pythonhosted.org/packages/00/5e/c39be01c65f95488d97cc041977c6e0c4a872b3c1c0e86a58eeca9eac7c0/nixio-1.5.0b4-py2-none-any.whl#sha256=2a42b29dc5d9af6248d64d4cf10d38673650760178cb21888df8692c06819cda (from https://pypi.org/simple/nixio/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/07/36/77bfc99df2facb0e37c6c499a1f6c6f97f8c51eac0aa2273c1fee83491ca/nixio-1.5.0b4-py3-none-any.whl#sha256=6f3711a800534b34d5b0cf107d36f18a6403e34bcb91d0b7ca925faf7d6d01d3 (from https://pypi.org/simple/nixio/), version: 1.5.0b4
    Found link https://files.pythonhosted.org/packages/2b/0c/88bfc843c6b8e70785020f23294eb967912587e01b97d536376c61e70c3d/nixio-1.5.0b4.tar.gz#sha256=8181bdf571730fac0fb0dcd0120400995281515f08b05e8b5ddec0e301f23d9e (from https://pypi.org/simple/nixio/), version: 1.5.0b4
  Using version 1.5.0b4 (newest of versions: 1.5.0b4)
  Created temporary directory: /tmp/pip-unpack-sb_7k3mm
  Downloading https://files.pythonhosted.org/packages/07/36/77bfc99df2facb0e37c6c499a1f6c6f97f8c51eac0aa2273c1fee83491ca/nixio-1.5.0b4-py3-none-any.whl (70kB)
  Downloading from URL https://files.pythonhosted.org/packages/07/36/77bfc99df2facb0e37c6c499a1f6c6f97f8c51eac0aa2273c1fee83491ca/nixio-1.5.0b4-py3-none-any.whl#sha256=6f3711a800534b34d5b0cf107d36f18a6403e34bcb91d0b7ca925faf7d6d01d3 (from https://pypi.org/simple/nixio/)
  Saved /tmp/tmpwpvoq_dk/nixio-1.5.0b4-py3-none-any.whl
  Added nixio==1.5.0b4 from https://files.pythonhosted.org/packages/07/36/77bfc99df2facb0e37c6c499a1f6c6f97f8c51eac0aa2273c1fee83491ca/nixio-1.5.0b4-py3-none-any.whl#sha256=6f3711a800534b34d5b0cf107d36f18a6403e34bcb91d0b7ca925faf7d6d01d3 to build tracker '/tmp/pip-req-tracker-3toc84zo'
  Removed nixio==1.5.0b4 from https://files.pythonhosted.org/packages/07/36/77bfc99df2facb0e37c6c499a1f6c6f97f8c51eac0aa2273c1fee83491ca/nixio-1.5.0b4-py3-none-any.whl#sha256=6f3711a800534b34d5b0cf107d36f18a6403e34bcb91d0b7ca925faf7d6d01d3 from build tracker '/tmp/pip-req-tracker-3toc84zo'
Skipping nixio, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-y__tcv1h/nixio
Removed build tracker '/tmp/pip-req-tracker-3toc84zo'