diff --git a/tests/test_misc.py b/tests/test_misc.py
index 19aed85233b4e1690e561c8b0ee061450d93f450..3037b79f568c02099639daec70016fb966064fa2 100644
--- a/tests/test_misc.py
+++ b/tests/test_misc.py
@@ -26,8 +26,11 @@
 @author: tf
 """
 import caosdb as db
-from caosdb import Container, Property, RecordType, Record, execute_query, Info, get_connection
-from nose.tools import assert_true, assert_not_equals, assert_equals, assert_is_not_none, nottest, assert_raises, with_setup  # @UnresolvedImport
+from caosdb import (Container, Info, Property, Record, RecordType,
+                    execute_query, get_connection)
+from nose.tools import (assert_equals, assert_is_not_none,  # @UnresolvedImport
+                        assert_not_equals, assert_raises, assert_true, nottest,
+                        with_setup)
 
 
 def setup():
@@ -286,6 +289,7 @@ def test_long_description():
     try:
 
         longstr = 'desc_'
+
         while len(longstr) < 100000:
             longstr += "a"
 
@@ -551,12 +555,15 @@ def test_cache_performance():
     t2 = 0.0
 
     n = 10
+
     while t2 < 30 and n <= results:
         fetch = Container()
         i = 0
+
         for e in c:
             i += 1
             fetch.append(Record(id=e.id))
+
             if i >= n:
                 break
 
@@ -568,9 +575,11 @@ def test_cache_performance():
 
         fetch = Container()
         i = 0
+
         for e in c:
             i += 1
             fetch.append(Record(id=e.id))
+
             if i >= n:
                 break