update ioc_start.py - fix ctypes import

iocage_lib/ioc_start.py

@@ -87,7 +87,7 @@ def __init__(
                     raise e
 
     def is_jailed(self):
-        from ctypes import *
+        from ctypes import cdll, c_int, c_size_t, sizeof, byref
         from ctypes.util import find_library
 
         libc = cdll.LoadLibrary(find_library("c"))