fix sysconf mtime bug

inary/sysconf.py

@@ -18,6 +18,8 @@
 import os
 import sys
 
+from pathlib import Path
+
 # INARY Modules
 import inary.context as ctx
 import inary.util as util
@@ -34,7 +36,8 @@ def getmtime(path):
     """Get file or directory modify time"""
     if not os.path.exists(path):
         return 0
-    return int(os.path.getmtime(path))
+    f = Path(path)
+    return int(f.lstat().st_mtime)
 
 
 def getltime(name):