bpo-38344: Fix syntax in activate.bat (GH-16533)

miss-islington · jamesabel · web-flow · commit bfb5f9a66cc3 · 2019-10-07T14:25:06.000-07:00
(cherry picked from commit e310af9) Co-authored-by: James Abel <j@abel.co>
diff --git a/Lib/venv/scripts/nt/activate.bat b/Lib/venv/scripts/nt/activate.bat
@@ -22,7 +22,7 @@ if defined PYTHONHOME set _OLD_VIRTUAL_PYTHONHOME=%PYTHONHOME%
 set PYTHONHOME=
 
 if defined _OLD_VIRTUAL_PATH set PATH=%_OLD_VIRTUAL_PATH%
-else set _OLD_VIRTUAL_PATH=%PATH%
+if not defined _OLD_VIRTUAL_PATH set _OLD_VIRTUAL_PATH=%PATH%
 
 set PATH=%VIRTUAL_ENV%\__VENV_BIN_NAME__;%PATH%
 
diff --git a/Misc/NEWS.d/next/Windows/2019-10-05-05-50-58.bpo-38344.scr2LO.rst b/Misc/NEWS.d/next/Windows/2019-10-05-05-50-58.bpo-38344.scr2LO.rst
@@ -0,0 +1 @@
+Fix error message in activate.bat
