我为何没法同步webrtc代码?

acsz@acsz-PowerEdge-R510:/disk2/ALLEN/webrtc$ gclient sync
curl: (7) Failed to connect to chrome-infra-packages.appspot.com port 443: Connection timed out
curl: (7) Failed to connect to chrome-infra-packages.appspot.com port 443: Connection timed out
/home/acsz/depot_tools/bootstrap_python3: line 32: bootstrap-2@3.8.10.chromium.23_bin/python3/bin/python3: No such file or directory
curl: (7) Failed to connect to chrome-infra-packages.appspot.com port 443: Connection timed out
/home/acsz/depot_tools/bootstrap_python3: line 32: bootstrap-2@3.8.10.chromium.23_bin/python3/bin/python3: No such file or directory
cat: /home/acsz/depot_tools/python3_bin_reldir.txt: No such file or directory
/home/acsz/depot_tools/vpython3: line 52: /home/acsz/depot_tools/.cipd_bin/vpython3: No such file or directory

Connection timed out 连接超时,开下VPN或者换下网络

您好,既然是国内镜像还是要走vpn或是代理吗?

国内镜像应该就不需要了,python3环境配置好的吗,找不到文件