Created temporary directory: /tmp/pip-ephem-wheel-cache-2euyar7z
Created temporary directory: /tmp/pip-req-tracker-1qllchg3
Created requirements tracker '/tmp/pip-req-tracker-1qllchg3'
Created temporary directory: /tmp/pip-wheel-26rxdnjt
Collecting graph-tools==1.4
  1 location(s) to search for versions of graph-tools:
  * https://pypi.org/simple/graph-tools/
  Getting page https://pypi.org/simple/graph-tools/
  Analyzing links from page https://pypi.org/simple/graph-tools/
    Found link https://files.pythonhosted.org/packages/b7/74/2de42d2b10ffa43f3fa53ab2c0338f7839a4c27907f266bdae846db8d0bf/graph-tools-1.0.tar.gz#sha256=6c517ddaba645bb4c215df70595649227851b7ac3a291eb179163b21a6e8c64a (from https://pypi.org/simple/graph-tools/), version: 1.0
    Found link https://files.pythonhosted.org/packages/89/d6/90bd88233950dd54757327a200363714afcf28515499ef3b428156e223aa/graph_tools-1.0-py3-none-any.whl#sha256=10081cc6a10771ef4eb2ba8370b2293b199ae099cf70ec6e2883a46e373e0015 (from https://pypi.org/simple/graph-tools/), version: 1.0
    Found link https://files.pythonhosted.org/packages/a8/2d/246d91e2f8b9bb6a3e3ee4317a6c48c421ea6df6e96e93323881bc4e085f/graph_tools-1.1-py3-none-any.whl#sha256=7c9b83eb652fd3d21a94bd686e96bed73cc2c4f455d04e7c158f521d564202e8 (from https://pypi.org/simple/graph-tools/), version: 1.1
    Found link https://files.pythonhosted.org/packages/cb/4c/3a07b24a9c67e8e5e1c0161b9b1666cf60612d858cd4855b03d91d16c8be/graph_tools-1.2-py3-none-any.whl#sha256=3094dba281c66140675e44382148f8b6e6e7bdef9de00485500d71020fc12058 (from https://pypi.org/simple/graph-tools/), version: 1.2
    Skipping link https://files.pythonhosted.org/packages/8a/2f/ea13cbc5d33e2532beb6e259df707e8b2328c9500d489428d5dfca159987/graph_tools-1.2-py3.7.egg#sha256=ecc8aa17b33f5714418555e4be4bd1b04501a5b4fd33eba09c7fca1872019111 (from https://pypi.org/simple/graph-tools/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/fc/ff/07878d5bb2f4d182b9850245b0bdc6b770e6938547200797eb91876c3373/graph_tools-1.3-py3-none-any.whl#sha256=e6f5981230bce1fc30f5c5556f6df6cd2529acd53a1fb1440f91db8559caed5f (from https://pypi.org/simple/graph-tools/), version: 1.3
    Found link https://files.pythonhosted.org/packages/e6/f5/6569d24e01e61f5a7bd24bfc444cdccf9f597a9c1079ea3c2cd1f30a8caf/graph-tools-1.4.tar.gz#sha256=b960de7cb9c432128399be0f7568175ee83a9dfbc40bea1f26545f0fe75b7981 (from https://pypi.org/simple/graph-tools/), version: 1.4
    Found link https://files.pythonhosted.org/packages/be/43/bc2bfd584dfa7e4652172ec22bdb8f6a6137c69fc527386a07f8c65cbc4c/graph_tools-1.4-py3-none-any.whl#sha256=a53ee9ee74a7c9462f66b12d8802e47f4021d451feee249cb5d96fddd6ae65bf (from https://pypi.org/simple/graph-tools/), version: 1.4
  Using version 1.4 (newest of versions: 1.4)
  Created temporary directory: /tmp/pip-unpack-9sx_am96
  Downloading https://files.pythonhosted.org/packages/be/43/bc2bfd584dfa7e4652172ec22bdb8f6a6137c69fc527386a07f8c65cbc4c/graph_tools-1.4-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/be/43/bc2bfd584dfa7e4652172ec22bdb8f6a6137c69fc527386a07f8c65cbc4c/graph_tools-1.4-py3-none-any.whl#sha256=a53ee9ee74a7c9462f66b12d8802e47f4021d451feee249cb5d96fddd6ae65bf (from https://pypi.org/simple/graph-tools/)
  Saved /tmp/tmpuxyzsrgj/graph_tools-1.4-py3-none-any.whl
  Added graph-tools==1.4 from https://files.pythonhosted.org/packages/be/43/bc2bfd584dfa7e4652172ec22bdb8f6a6137c69fc527386a07f8c65cbc4c/graph_tools-1.4-py3-none-any.whl#sha256=a53ee9ee74a7c9462f66b12d8802e47f4021d451feee249cb5d96fddd6ae65bf to build tracker '/tmp/pip-req-tracker-1qllchg3'
  Removed graph-tools==1.4 from https://files.pythonhosted.org/packages/be/43/bc2bfd584dfa7e4652172ec22bdb8f6a6137c69fc527386a07f8c65cbc4c/graph_tools-1.4-py3-none-any.whl#sha256=a53ee9ee74a7c9462f66b12d8802e47f4021d451feee249cb5d96fddd6ae65bf from build tracker '/tmp/pip-req-tracker-1qllchg3'
Skipping graph-tools, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-26rxdnjt/graph-tools
Removed build tracker '/tmp/pip-req-tracker-1qllchg3'