diff --git a/src/termux-create-package b/src/termux-create-package
index 9343d9f..483e98a 100755
--- a/src/termux-create-package
+++ b/src/termux-create-package
@@ -34,7 +34,7 @@ import time
 import traceback
 import unicodedata
 
-import importlib
+import importlib.util
 yaml_supported = False
 try:
     if importlib.util.find_spec("ruamel.yaml") is not None:
@@ -1574,9 +1574,9 @@ def get_effective_mode(current_mode, symbolic, file_type=None):
             ("o" in clazz and "t" in perm and stat.S_ISVTX)
     else:
         new_mode = new_mode & \
-            ~("u" in clazz and "s" in perm and stat.S_ISUID) & \
-            ~("g" in clazz and "s" in perm and stat.S_ISGID) & \
-            ~("o" in clazz and "t" in perm and stat.S_ISVTX)
+            ~int("u" in clazz and "s" in perm and stat.S_ISUID) & \
+            ~int("g" in clazz and "s" in perm and stat.S_ISGID) & \
+            ~int("o" in clazz and "t" in perm and stat.S_ISVTX)
 
     return new_mode
 
diff --git a/tests/tests_main.py b/tests/tests_main.py
index a5eeafb..f114db5 100644
--- a/tests/tests_main.py
+++ b/tests/tests_main.py
@@ -9,7 +9,7 @@
 """
 
 import os
-import importlib
+import importlib.util
 import sys