This probably means that Tcl wasn't installed properly.
package require -exact Tcl 8.6.9
在G:\tcl8.6.10\library\init.tcl
及
G:\tk8.6.10\library\tk.tcl
里面改.
然后类似这样,设置路径
变量名:TCL_LIBRARY变量值:C:\Python37\tcl\tcl8.6 变量名:TK_LIBRARY变量值:C:\Python37\tcl\tk8.6