SLIDER-623 python exec failing
diff --git a/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java b/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
index 82b17fd..a8f8608 100644
--- a/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
+++ b/slider-core/src/main/java/org/apache/slider/common/tools/SliderUtils.java
@@ -1963,7 +1963,7 @@
       SliderException {
     maybeVerifyWinUtilsValid(logger);
     execCommand(OPENSSL, 0, 5000, logger, "OpenSSL", OPENSSL, "version");
-    execCommand(PYTHON, 0, 5000, logger, "Python", PYTHON, "--version");
+    execCommand(PYTHON, 0, 5000, logger, "Python", PYTHON, "-V");
   }
 
   /**