Created temporary directory: /tmp/pip-ephem-wheel-cache-jjte0anx
Created temporary directory: /tmp/pip-req-tracker-l_no1kly
Created requirements tracker '/tmp/pip-req-tracker-l_no1kly'
Created temporary directory: /tmp/pip-wheel-75ahv1vl
Collecting wagtail-headless-preview==0.1.0
  1 location(s) to search for versions of wagtail-headless-preview:
  * https://pypi.org/simple/wagtail-headless-preview/
  Getting page https://pypi.org/simple/wagtail-headless-preview/
  Analyzing links from page https://pypi.org/simple/wagtail-headless-preview/
    Found link https://files.pythonhosted.org/packages/9d/9f/6c9e0d6b5039448ca791d4cc96889cf0c158c6af66044047a1cbb447440b/wagtail-headless-preview-0.0.2.tar.gz#sha256=c2ed9483aab77a550023d1d711136bb5491b4bad7e3d11f1f058e79dc345a5fe (from https://pypi.org/simple/wagtail-headless-preview/), version: 0.0.2
    Skipping link https://files.pythonhosted.org/packages/8c/3b/cd7ae15dfe9dd59896f8511d8703c6e28348048904f20c856e5d434a6393/wagtail_headless_preview-0.0.2-py2-none-any.whl#sha256=3146be430967461cab56f76012a08cf05aec8be56e3cce8757fc5f140b3465e2 (from https://pypi.org/simple/wagtail-headless-preview/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/af/82/6e94652c668ab3f809066ce00f722a1c7afd287b6a55c80dfc9cfc3fa80a/wagtail-headless-preview-0.0.3.tar.gz#sha256=e58b1e0d0eb48ac97ede2338b564683e2ec7527405debae296ead1e02b500dca (from https://pypi.org/simple/wagtail-headless-preview/), version: 0.0.3
    Skipping link https://files.pythonhosted.org/packages/1d/1e/5a9a687b8bd959f1ca07a78389300b445b2d6061946481f7814a1239ff76/wagtail_headless_preview-0.0.3-py2-none-any.whl#sha256=a10a061f74ba0d322de713dac3f1dc19b8e36e14137d84b7114c8277369911e7 (from https://pypi.org/simple/wagtail-headless-preview/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/d3/71/55b32bf5417f64f0a91c716b13a71d080ec640479f46858e7885ef53cd56/wagtail-headless-preview-0.0.4.tar.gz#sha256=810a9c60894fb3278ef65cb05172a32d76d6854f64d4b8f854f506a9498e55fd (from https://pypi.org/simple/wagtail-headless-preview/), version: 0.0.4
    Skipping link https://files.pythonhosted.org/packages/6d/17/02d6b6bf8a8db1ae8300c51cc92d258f0e2dd29f0f3375210a244b05d558/wagtail_headless_preview-0.0.4-py2-none-any.whl#sha256=1485c5c9c2f6908debb0696b8dedfb7038b57694a293bce141bc1c91c234053d (from https://pypi.org/simple/wagtail-headless-preview/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/d0/59/ab5279c49168e6cf14d814d437229519026639711cc989f59dd3787e4353/wagtail-headless-preview-0.1.0.tar.gz#sha256=720f52634312eca64e77f5ffb07346556d25a745458b1bd816400263fb2d8061 (from https://pypi.org/simple/wagtail-headless-preview/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/74/cd/274a8e955daf69417f0ce66e9f723ba16fe53b64a23eeb6c3f3bf8981545/wagtail_headless_preview-0.1.0-py2.py3-none-any.whl#sha256=2b37fa501f183a01ef85d7f4bfe8cf4b45fe903db0529c108291b3b453069888 (from https://pypi.org/simple/wagtail-headless-preview/), version: 0.1.0
  Using version 0.1.0 (newest of versions: 0.1.0)
  Created temporary directory: /tmp/pip-unpack-l2i_jyd4
  Downloading https://files.pythonhosted.org/packages/74/cd/274a8e955daf69417f0ce66e9f723ba16fe53b64a23eeb6c3f3bf8981545/wagtail_headless_preview-0.1.0-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/74/cd/274a8e955daf69417f0ce66e9f723ba16fe53b64a23eeb6c3f3bf8981545/wagtail_headless_preview-0.1.0-py2.py3-none-any.whl#sha256=2b37fa501f183a01ef85d7f4bfe8cf4b45fe903db0529c108291b3b453069888 (from https://pypi.org/simple/wagtail-headless-preview/)
  Saved /tmp/tmpnr04q5v2/wagtail_headless_preview-0.1.0-py2.py3-none-any.whl
  Added wagtail-headless-preview==0.1.0 from https://files.pythonhosted.org/packages/74/cd/274a8e955daf69417f0ce66e9f723ba16fe53b64a23eeb6c3f3bf8981545/wagtail_headless_preview-0.1.0-py2.py3-none-any.whl#sha256=2b37fa501f183a01ef85d7f4bfe8cf4b45fe903db0529c108291b3b453069888 to build tracker '/tmp/pip-req-tracker-l_no1kly'
  Removed wagtail-headless-preview==0.1.0 from https://files.pythonhosted.org/packages/74/cd/274a8e955daf69417f0ce66e9f723ba16fe53b64a23eeb6c3f3bf8981545/wagtail_headless_preview-0.1.0-py2.py3-none-any.whl#sha256=2b37fa501f183a01ef85d7f4bfe8cf4b45fe903db0529c108291b3b453069888 from build tracker '/tmp/pip-req-tracker-l_no1kly'
Skipping wagtail-headless-preview, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-75ahv1vl/wagtail-headless-preview
Removed build tracker '/tmp/pip-req-tracker-l_no1kly'