ImportError: /lib/x86_64-linux-gnu/libgssapi_krb5.so.2: undefined symbol: krb5_ser_context_init, ver
错误:`ImportError:/lib/x86_64-linux-gnu/libgssapi_krb5.so.2:undefinedsymbol:krb5_ser_context_init,versionkrb5_3_MIT`在虚拟环境中PyQt5跟很多包冲突,导致无法启动程序。解决:1.降级`pipinstallPyQt5==5.12.1`并安装`pipinstallPyQtWebEngine