diff --git a/scripts/check_format.sh b/scripts/check_format.sh
index 21a34e2c8..b0ca3410b 100755
--- a/scripts/check_format.sh
+++ b/scripts/check_format.sh
@@ -131,6 +131,8 @@ if [ ! -z ${PEP8} ]; then
 		echo " OK"
 	fi
 	rm -f pep8.log
+else
+	echo "You do not have pycodestyle or pep8 installed so your Python style is not being checked!"
 fi
 
 # Check if any of the public interfaces were modified by this patch.