diff --git a/src/randomtrackingdict.py b/src/randomtrackingdict.py
index 4b265f82..cb4e310d 100644
--- a/src/randomtrackingdict.py
+++ b/src/randomtrackingdict.py
@@ -4,7 +4,7 @@ Track randomize ordered dict
 from threading import RLock
 from time import time
 
-from pybitmessage import helper_random
+import helper_random
 
 
 class RandomTrackingDict(object):
diff --git a/src/storage/filesystem.py b/src/storage/filesystem.py
index 82ec9feb..150e8d9e 100644
--- a/src/storage/filesystem.py
+++ b/src/storage/filesystem.py
@@ -1,16 +1,18 @@
 """
 Module for using filesystem (directory with files) for inventory storage
 """
+import logging
 import string
 import time
 from binascii import hexlify, unhexlify
 from os import listdir, makedirs, path, remove, rmdir
 from threading import RLock
 
-from debug import logger
 from paths import lookupAppdataFolder
 from storage import InventoryItem, InventoryStorage
 
+logger = logging.getLogger('default')
+
 
 class FilesystemInventory(InventoryStorage):
     """Filesystem for inventory storage"""
@@ -163,7 +165,8 @@ class FilesystemInventory(InventoryStorage):
                     newInventory[streamNumber][hashId] = InventoryItem(
                         objectType, streamNumber, None, expiresTime, tag)
             except KeyError:
-                logger.warning('error loading %s', hexlify(hashId))
+                logger.debug(
+                    'error loading %s', hexlify(hashId), exc_info=True)
         self._inventory = newInventory
 #        for i, v in self._inventory.items():
 #            print "loaded stream: %s, %i items" % (i, len(v))
diff --git a/src/tests/test_randomtrackingdict.py b/src/tests/test_randomtrackingdict.py
index 9cad05b3..40d2e01b 100644
--- a/src/tests/test_randomtrackingdict.py
+++ b/src/tests/test_randomtrackingdict.py
@@ -46,4 +46,4 @@ class TestRandomTrackingDict(unittest.TestCase):
         a.append(time())
 
         for x in range(len(a) - 1):
-            self.assertLess(a[x + 1] - a[x], 10)
\ No newline at end of file
+            self.assertLess(a[x + 1] - a[x], 10)