[Python] 安裝PyQt5

pip install PyQt5

Collecting PyQt5
  Downloading https://files.pythonhosted.org/packages/26/78/c215008e70982944272b6c329a76cc11259e7378a3e23418fbe0bd48de96/PyQt5-5.11.3-5.11.2-cp35.cp36.cp37.cp38-none-win32.whl (39.4MB)
    100% |████████████████████████████████| 39.4MB 322kB/s
Collecting PyQt5_sip<4.20,>=4.19.11 (from PyQt5)
  Downloading https://files.pythonhosted.org/packages/98/75/3a7f0123ebe72090f63a2bbfbba65effce908442677a18a7a9577086f9fc/PyQt5_sip-4.19.13-cp37-none-win32.whl (43kB)
    100% |████████████████████████████████| 51kB 3.2MB/s
Installing collected packages: PyQt5-sip, PyQt5
Successfully installed PyQt5-5.11.3 PyQt5-sip-4.19.13