Fixed an upstream problem XPixelGroup/BasicSR#667

Author: CrazyWolf13

gfpgan_auto-installer.bat

@@ -147,6 +147,27 @@ echo echo Downloading model 1.4
 echo set model_link^=https://github.com/TencentARC/GFPGAN/releases/download/v1.3.4/GFPGANv1.4.pth
 echo set /p model_link^="If you want to download another model, paste the link here, otherwise press [ENTER]: "
 echo wget %%model_link%% -P experiments/pretrained_models
+
+echo set "filepath=%localappdata%\Programs\Python\Python310\Lib\site-packages\basicsr\data\degradations.py"
+echo set "tempfile=%localappdata%\Programs\Python\Python310\Lib\site-packages\basicsr\data\degradations_temp.py"
+echo if not exist "%filepath%" (
+echo    echo File not found: %filepath%
+echo    exit /b 1
+echo )
+echo set /a counter=0
+echo for /f "delims=" %%i in ('findstr /n "^" "%filepath%"') do (
+echo     set /a counter+=1
+echo     if !counter! equ 8 (
+echo         echo from torchvision.transforms.functional import rgb_to_grayscale>>"%tempfile%"
+echo     ) else (
+echo         echo %%i>>"%tempfile%"
+echo     )
+echo )
+echo move /y "%tempfile%" "%filepath%"
+
+
+
+
 echo del "%AppData%\Microsoft\Windows\Start Menu\Programs\Startup\autostart_gfpgan.bat"
 echo.
 echo cd ..
@@ -185,4 +206,4 @@ echo Cleaning up...
 del preinstall.bat
 del starter.bat
 del install.bat
-exit
+exit