1 files changed, 10 insertions, 7 deletions
diff --git a/src/validators/mac-address b/src/validators/mac-address
index 435920b84..b2d3496f4 100755
--- a/src/validators/mac-address
+++ b/src/validators/mac-address
@@ -15,12 +15,15 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import re
-from sys import exit, argv
+import sys
 
-if len(argv) == 2:
-    pattern = "^([0-9A-Fa-f]{2}[:]){5}([0-9A-Fa-f]{2})$"
-    if re.match(pattern, argv[1]):
-        exit(0)
-    else:
-        exit(1)
 
+pattern = "^([0-9A-Fa-f]{2}[:]){5}([0-9A-Fa-f]{2})$"
+
+
+if __name__ == '__main__':
+    if len(sys.argv) != 2:
+        sys.exit(1)
+    if not re.match(pattern, sys.argv[1]):
+        sys.exit(1)
+    sys.exit(0)