Collecting cirq==0.3.1.35 1 location(s) to search for versions of cirq: * https://pypi.python.org/simple/cirq/ Getting page https://pypi.python.org/simple/cirq/ Analyzing links from page https://pypi.org/simple/cirq/ Skipping link https://files.pythonhosted.org/packages/c5/1a/73f326dd0cff32c6e250725a9beb6c2743ba88f2d61041213c05a510f04c/cirq-0.3.1.27-py2-none-any.whl#sha256=4f62983a79b32db7cb837716c969cfa7dd9d15a4d092624d35fad8929a0cc9a1 (from https://pypi.org/simple/cirq/) (requires-python:==2.7.*); it is not compatible with this Python The package https://files.pythonhosted.org/packages/0a/20/7bd4b10a5c5d66db87fd7eaf51b237ed869c2251c18622396e742e69258d/cirq-0.3.1.27.tar.gz#sha256=34382deb72bb786fb450f2da738d6d12f5f878784f68d67bd0a867ade42404f9 (from https://pypi.org/simple/cirq/) (requires-python:==2.7.*) is incompatible with the pythonversion in use. Acceptable python versions are:==2.7.* Found link https://files.pythonhosted.org/packages/dc/c9/f17b365c7ac43c6d9576d44cf894c1c42bf43ac54ef6d76f56a99b32870a/cirq-0.3.1.35-py3-none-any.whl#sha256=194dc94b4092b3f5f46da65a90cb35aef468ea189a32c0efbba9cbfa7f9f836f (from https://pypi.org/simple/cirq/) (requires-python:>=3.5.3), version: 0.3.1.35 Found link https://files.pythonhosted.org/packages/4c/ea/78158f41c4a67901774193364b67824cd390118e46f68f012a374ab54378/cirq-0.3.1.35.tar.gz#sha256=311fdfe609708b96e96a1336f52cf3e8f0d902af2f1a6905a03b32bcbc6f175c (from https://pypi.org/simple/cirq/) (requires-python:>=3.5.3), version: 0.3.1.35 Using version 0.3.1.35 (newest of versions: 0.3.1.35) Downloading https://files.pythonhosted.org/packages/dc/c9/f17b365c7ac43c6d9576d44cf894c1c42bf43ac54ef6d76f56a99b32870a/cirq-0.3.1.35-py3-none-any.whl (368kB) Downloading from URL https://files.pythonhosted.org/packages/dc/c9/f17b365c7ac43c6d9576d44cf894c1c42bf43ac54ef6d76f56a99b32870a/cirq-0.3.1.35-py3-none-any.whl#sha256=194dc94b4092b3f5f46da65a90cb35aef468ea189a32c0efbba9cbfa7f9f836f (from https://pypi.org/simple/cirq/) (requires-python:>=3.5.3) Saved /tmp/tmplne9wwvl/cirq-0.3.1.35-py3-none-any.whl Skipping cirq, due to already being wheel. Cleaning up... Removing source in /tmp/pip-build-ezagknoj/cirq