sanic set up

(venv) MacBook-Pro:bin shihw$ pip3 install sanic
Collecting sanic
Downloading https://files.pythonhosted.org/packages/11/b1/96424ff7d7d53b45adda69ac5306b58f349d1b7a937430aeb397f61452be/sanic-18.12.0-py3-none-any.whl (52kB)
100% |████████████████████████████████| 61kB 84kB/s
Collecting uvloop>=0.5.3; sys_platform != "win32" and implementation_name == "cpython" (from sanic)
Downloading https://files.pythonhosted.org/packages/2b/ba/bc6ee6ffe5ad5fd712d0ac58e3845955349792ed565cb4a1c7fd2718d35d/uvloop-0.12.1-cp37-cp37m-macosx_10_11_x86_64.whl (1.5MB)
100% |████████████████████████████████| 1.5MB 841kB/s
Collecting multidict<5.0,>=4.0 (from sanic)
Downloading https://files.pythonhosted.org/packages/0e/64/39b167d63e292cc2336d09c4d3577089db82cd7886ed535b6100fc7c7966/multidict-4.5.2-cp37-cp37m-macosx_10_12_intel.macosx_10_12_x86_64.macosx_10_13_intel.macosx_10_13_x86_64.whl (196kB)
100% |████████████████████████████████| 204kB 1.2MB/s
Collecting aiofiles>=0.3.0 (from sanic)
Downloading https://files.pythonhosted.org/packages/cf/f2/a67a23bc0bb61d88f82aa7fb84a2fb5f278becfbdc038c5cbb36c31feaf1/aiofiles-0.4.0-py3-none-any.whl
Collecting websockets<7.0,>=6.0 (from sanic)
Downloading https://files.pythonhosted.org/packages/da/0b/c8fce17000873c1927ba4855ad9f5b558bfcded1dace638e8911ce83d6d0/websockets-6.0-cp37-cp37m-macosx_10_6_intel.whl (81kB)
100% |████████████████████████████████| 81kB 776kB/s
Collecting ujson>=1.35; sys_platform != "win32" and implementation_name == "cpython" (from sanic)
Downloading https://files.pythonhosted.org/packages/16/c4/79f3409bc710559015464e5f49b9879430d8f87498ecdc335899732e5377/ujson-1.35.tar.gz (192kB)
100% |████████████████████████████████| 194kB 1.6MB/s
Collecting httptools>=0.0.10 (from sanic)
Downloading https://files.pythonhosted.org/packages/1b/03/215969db11abe8741e9c266a4cbe803a372bd86dd35fa0084c4df6d4bd00/httptools-0.0.13.tar.gz (104kB)
100% |████████████████████████████████| 112kB 1.5MB/s
Installing collected packages: uvloop, multidict, aiofiles, websockets, ujson, httptools, sanic
Running setup.py install for ujson ... done
Running setup.py install for httptools ... done
Successfully installed aiofiles-0.4.0 httptools-0.0.13 multidict-4.5.2 sanic-18.12.0 ujson-1.35 uvloop-0.12.1 websockets-6.0