fix build.py

build.py

@@ -4,10 +4,11 @@ import sys
 yes = {'yes', 'y', 'ye', ''}
 no = {'no', 'n'}
 
-if sys.argv[1]:
+if len(sys.argv) > 1:
     choice = sys.argv[1].removeprefix("-")
 else:
-    sys.stdout.write("Do you want to open only the built project instead of the Godot Editor after building? ([y]es/[n]o): ")
+    sys.stdout.write(
+        "Do you want to open only the built project instead of the Godot Editor after building? ([y]es/[n]o): ")
     choice = input().lower()
 if choice in yes:
     os.system("scons && cd project && godot")