improve error messages

backend-golang/rwkv.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"os"
 	"os/exec"
+	"path/filepath"
 	"runtime"
 	"strconv"
 	"strings"
@@ -51,6 +52,10 @@ func (a *App) InstallPyDep(python string, cnMirror bool) (string, error) {
 	if python == "" {
 		python, err = GetPython()
 		if runtime.GOOS == "windows" {
+			python, err = filepath.Abs(python)
+			if err != nil {
+				return "", err
+			}
 			python = `"` + python + `"`
 		}
 	}

backend-golang/utils.go

@@ -115,19 +115,11 @@ func GetPython() (string, error) {
 				if err != nil {
 					return "", errors.New("failed to unzip python")
 				} else {
-					python, err := filepath.Abs("py310/python.exe")
-					if err != nil {
-						return "", err
-					}
-					return python, nil
+					return "py310/python.exe", nil
 				}
 			}
 		} else {
-			python, err := filepath.Abs("py310/python.exe")
-			if err != nil {
-				return "", err
-			}
-			return python, nil
+			return "py310/python.exe", nil
 		}
 	case "darwin":
 		return "python3", nil