Created temporary directory: /tmp/pip-ephem-wheel-cache-cfvbjio8
Created temporary directory: /tmp/pip-req-tracker-oi6kn29g
Created requirements tracker '/tmp/pip-req-tracker-oi6kn29g'
Created temporary directory: /tmp/pip-wheel-wxer70y0
Collecting caleb==0.2.3
  1 location(s) to search for versions of caleb:
  * https://pypi.org/simple/caleb/
  Getting page https://pypi.org/simple/caleb/
  Analyzing links from page https://pypi.org/simple/caleb/
    Skipping link https://files.pythonhosted.org/packages/26/37/1a1711c8ebaebcd3f9b1dde92320e1788f23c2ea016b2be6da1fb9bcfd81/caleb-0.2-py3.7.egg#sha256=60117979ac27301762780eb013da6ae693709d0171727c925d8be50cf8fa4f32 (from https://pypi.org/simple/caleb/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/c5/55/f39161469b656fd02a2ee3ca18d0280134bba2f1b6186d96ad58cda95d9c/caleb-0.2.3-py3-none-any.whl#sha256=e64163bfd155f75f4bd9a9b5cb6b725b3f02acbec531edaf055fd0c698e2bad2 (from https://pypi.org/simple/caleb/), version: 0.2.3
    Found link https://files.pythonhosted.org/packages/ea/55/8164ace70a131092da711f08ad15431093db4776f48b1f8e6b0b05e6f45f/caleb-0.2.3.tar.gz#sha256=4b84fd4443a3e4c86e9d95dcd9984d02ccdf4675febd05137b40ff7460832261 (from https://pypi.org/simple/caleb/), version: 0.2.3
  Using version 0.2.3 (newest of versions: 0.2.3)
  Created temporary directory: /tmp/pip-unpack-t5a3gn87
  Downloading https://files.pythonhosted.org/packages/c5/55/f39161469b656fd02a2ee3ca18d0280134bba2f1b6186d96ad58cda95d9c/caleb-0.2.3-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/c5/55/f39161469b656fd02a2ee3ca18d0280134bba2f1b6186d96ad58cda95d9c/caleb-0.2.3-py3-none-any.whl#sha256=e64163bfd155f75f4bd9a9b5cb6b725b3f02acbec531edaf055fd0c698e2bad2 (from https://pypi.org/simple/caleb/)
  Saved /tmp/tmpk9m38uo_/caleb-0.2.3-py3-none-any.whl
  Added caleb==0.2.3 from https://files.pythonhosted.org/packages/c5/55/f39161469b656fd02a2ee3ca18d0280134bba2f1b6186d96ad58cda95d9c/caleb-0.2.3-py3-none-any.whl#sha256=e64163bfd155f75f4bd9a9b5cb6b725b3f02acbec531edaf055fd0c698e2bad2 to build tracker '/tmp/pip-req-tracker-oi6kn29g'
  Removed caleb==0.2.3 from https://files.pythonhosted.org/packages/c5/55/f39161469b656fd02a2ee3ca18d0280134bba2f1b6186d96ad58cda95d9c/caleb-0.2.3-py3-none-any.whl#sha256=e64163bfd155f75f4bd9a9b5cb6b725b3f02acbec531edaf055fd0c698e2bad2 from build tracker '/tmp/pip-req-tracker-oi6kn29g'
Skipping caleb, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-wxer70y0/caleb
Removed build tracker '/tmp/pip-req-tracker-oi6kn29g'