checksec.py: import ELF instead of * (#2346)

Author: disconnect3d

pwnlib/commandline/checksec.py

@@ -4,7 +4,7 @@
 import argparse
 import sys
 
-from pwn import *
+from pwnlib.elf import ELF
 from pwnlib.commandline import common
 
 parser = common.parser_commands.add_parser(