kc3-lang/sys_wait

diff --git a/build.py b/build.py
index 53d7e7e..103c931 100644
--- a/build.py
+++ b/build.py
@@ -5,7 +5,7 @@
 import os
 import sys
 
-def run(command)
+def run(command):
     status = os.system(command)
     if 0 != status:
         sys.exit(command)