我正在尝试在Windows 10中升级点子：
python -m pip install --upgrade pip
我收到以下错误：
HTTP error 403 while getting https://files.pythonhosted.org/packages/d8/f3/413bab4ff08e1fc4828dfc59996d721917df8e8583ea85385d51125dceff/pip-19.0.3-py2.py3-none-any.whl#sha256=bd812612bbd8ba84159d9ddc0266b7fbce712fc9bc98c82dee5750546ec8ec64 (from https://pypi.org/simple/pip/)
Could not install requirement pip from https://files.pythonhosted.org/packages/d8/f3/413bab4ff08e1fc4828dfc59996d721917df8e8583ea85385d51125dceff/pip-19.0.3-py2.py3-none-any.whl#sha256=bd812612bbd8ba84159d9ddc0266b7fbce712fc9bc98c82dee5750546ec8ec64 because of error 403 Client Error: Forbidden for url: https://files.pythonhosted.org/packages/d8/f3/413bab4ff08e1fc4828dfc59996d721917df8e8583ea85385d51125dceff/pip-19.0.3-py2.py3-none-any.whl?_sm_nck=1
Could not install requirement pip from https://files.pythonhosted.org/packages/d8/f3/413bab4ff08e1fc4828dfc59996d721917df8e8583ea85385d51125dceff/pip-19.0.3-py2.py3-none-any.whl#sha256=bd812612bbd8ba84159d9ddc0266b7fbce712fc9bc98c82dee5750546ec8ec64 because of HTTP error 403 Client Error: Forbidden for url: https://files.pythonhosted.org/packages/d8/f3/413bab4ff08e1fc4828dfc59996d721917df8e8583ea85385d51125dceff/pip-19.0.3-py2.py3-none-any.whl?_sm_nck=1 for URL https://files.pythonhosted.org/packages/d8/f3/413bab4ff08e1fc4828dfc59996d721917df8e8583ea85385d51125dceff/pip-19.0.3-py2.py3-none-any.whl#sha256=bd812612bbd8ba84159d9ddc0266b7fbce712fc9bc98c82dee5750546ec8ec64 (from https://pypi.org/simple/pip/)
有什么想法我们可以解决吗？