diff --git a/tests/test_file.py b/tests/test_file.py
index d1bc6bc0c9993ee23ab83b853692c205a21815b3..a4867a08ed3b09758aa0229bc539eca391064d8c 100644
--- a/tests/test_file.py
+++ b/tests/test_file.py
@@ -33,15 +33,16 @@ from random import randint
 from sys import maxsize as maxint
 
 from lxml import etree
-from nose.tools import (assert_equal, assert_false,  # @UnresolvedImport
-                        assert_is_not_none, assert_raises, assert_true,
-                        nottest, with_setup)
 
-from caosdb import execute_query, get_config, get_connection, Info
+from caosdb import Info
+from caosdb import administration as admin
+from caosdb import execute_query, get_config, get_connection
 from caosdb.common import models
 from caosdb.exceptions import EntityError
 from caosdb.utils.checkFileSystemConsistency import runCheck
-from caosdb import administration as admin
+from nose.tools import (assert_equal, assert_false,  # @UnresolvedImport
+                        assert_is_not_none, assert_raises, assert_true,
+                        nottest, with_setup)
 
 
 def setup_module():
@@ -701,10 +702,10 @@ def test_insert_files_in_dir_regex():
                 "InsertFilesInDir": "-e test " +
                 path_on_server})
         assert c.messages["Warning", 2] is not None
-        assert c.messages["Warning", 2][0] == "Explicitly excluded directory or file: {}".format(path_on_server[:-1])
+        assert c.messages["Warning", 2][0] == "Explicitly excluded directory or file: {}".format(
+            path_on_server[:-1])
         assert len(c) == 0
 
-
     finally:
         try:
             c.delete()
@@ -716,7 +717,6 @@ def test_insert_files_in_dir_regex():
             pass
 
 
-
 @with_setup(setup, teardown)
 def test_thumbnails():
     file_ = models.File(name="TestFile",