Created temporary directory: /tmp/pip-ephem-wheel-cache-p24cxbrc
Created temporary directory: /tmp/pip-req-tracker-nlw8_3rt
Created requirements tracker '/tmp/pip-req-tracker-nlw8_3rt'
Created temporary directory: /tmp/pip-wheel-4uq2_a_w
Collecting khufu==1.3.0
  1 location(s) to search for versions of khufu:
  * https://pypi.org/simple/khufu/
  Getting page https://pypi.org/simple/khufu/
  Analyzing links from page https://pypi.org/simple/khufu/
    Skipping link https://files.pythonhosted.org/packages/b1/90/d5f52605179ee809d9a9b82c202d17bcb656339ceef8681da45fc9b17e5e/khufu-1.2.0-py2-none-any.whl#sha256=018503a0e66bb2daa2b7ee82a6ad109ec3cc4d8a40b33d110faa07e26463bcee (from https://pypi.org/simple/khufu/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/0e/bf/0d896b59f497618e5404c7d3f7d43e29ea1486e38daf0811d8ccb8f926b7/khufu-1.2.0.tar.gz#sha256=4c1a520ea69014eb64a26afaa769945ae67433f2b24fcb1f8cbf173e772f8e96 (from https://pypi.org/simple/khufu/), version: 1.2.0
    Skipping link https://files.pythonhosted.org/packages/9b/e7/15d0ea865f436920d2110a9efecc9a10b22dad0b14dd1a12fc6a49be54fa/khufu-1.2.1-py2-none-any.whl#sha256=3f39901aac42b5366a1f634212718ec1c9589007fe94cf12b62c0fb321f508d3 (from https://pypi.org/simple/khufu/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/07/22/7a279910bf044d65b3b2d5ec63cc89adb33a7156e2f09375ad4a4e2b78ea/khufu-1.2.1.tar.gz#sha256=9d4cdf40c8f5c1341a5ff7cc4cf2703482f8425900414258a1e44ca189309b0b (from https://pypi.org/simple/khufu/), version: 1.2.1
    Found link https://files.pythonhosted.org/packages/0e/42/697da85c9ce8088b74d0cc546792164b8a47d542f6e76043a1fe51f4b34b/khufu-1.3.0-py3-none-any.whl#sha256=8666f5aab5e94cb374a4aac9b56901fb103cccfe24a283714ccf5533602e9afa (from https://pypi.org/simple/khufu/), version: 1.3.0
    Found link https://files.pythonhosted.org/packages/53/0d/839d01c181c4f8836d66e64d9efc35bd993ddf4d7f8768a9a829de531828/khufu-1.3.0.tar.gz#sha256=c045aea9491b983e68f969d92bd98791dc8da6893de2450050e22db91374cde9 (from https://pypi.org/simple/khufu/), version: 1.3.0
  Using version 1.3.0 (newest of versions: 1.3.0)
  Created temporary directory: /tmp/pip-unpack-vjnziev9
  Downloading https://files.pythonhosted.org/packages/0e/42/697da85c9ce8088b74d0cc546792164b8a47d542f6e76043a1fe51f4b34b/khufu-1.3.0-py3-none-any.whl (103kB)
  Downloading from URL https://files.pythonhosted.org/packages/0e/42/697da85c9ce8088b74d0cc546792164b8a47d542f6e76043a1fe51f4b34b/khufu-1.3.0-py3-none-any.whl#sha256=8666f5aab5e94cb374a4aac9b56901fb103cccfe24a283714ccf5533602e9afa (from https://pypi.org/simple/khufu/)
  Saved /tmp/tmp4uy00hqw/khufu-1.3.0-py3-none-any.whl
  Added khufu==1.3.0 from https://files.pythonhosted.org/packages/0e/42/697da85c9ce8088b74d0cc546792164b8a47d542f6e76043a1fe51f4b34b/khufu-1.3.0-py3-none-any.whl#sha256=8666f5aab5e94cb374a4aac9b56901fb103cccfe24a283714ccf5533602e9afa to build tracker '/tmp/pip-req-tracker-nlw8_3rt'
  Removed khufu==1.3.0 from https://files.pythonhosted.org/packages/0e/42/697da85c9ce8088b74d0cc546792164b8a47d542f6e76043a1fe51f4b34b/khufu-1.3.0-py3-none-any.whl#sha256=8666f5aab5e94cb374a4aac9b56901fb103cccfe24a283714ccf5533602e9afa from build tracker '/tmp/pip-req-tracker-nlw8_3rt'
Skipping khufu, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-4uq2_a_w/khufu
Removed build tracker '/tmp/pip-req-tracker-nlw8_3rt'