Pycharm不允许为pygame安装pip，即使终端会

Question

Download prebuilts to "prebuilt_downloads" and copy to "./prebuilt-x86"? [Y/n]Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "C:\Users\caele\AppData\Local\Temp\pycharm-packaging\pygame\setup.py", line 194, in <module>
    buildconfig.config.main(AUTO_CONFIG)
  File "C:\Users\caele\AppData\Local\Temp\pycharm-packaging\pygame\buildconfig\config.py", line 210, in main
    deps = CFG.main(**kwds)
  File "C:\Users\caele\AppData\Local\Temp\pycharm-packaging\pygame\buildconfig\config_win.py", line 576, in main
    and download_win_prebuilt.ask(**download_kwargs):
  File "C:\Users\caele\AppData\Local\Temp\pycharm-packaging\pygame\buildconfig\download_win_prebuilt.py", line 302, in ask
    reply = raw_input(
EOFError: EOF when reading a line

----------------------------------------

命令“python setup.py egg\u info”失败，错误代码为C:\Users\caele\AppData\Local\Temp\pycharm packaging\pygame\

这是返回的错误消息。我对编程相当陌生，所以请宽容些。我的pip是最新的，终端说已经安装了pygame，但是Pycharm有这个错误