diff --git a/swh/scheduler/tests/test_scheduler_updater.py b/swh/scheduler/tests/test_scheduler_updater.py
index 37ebab1..e5e20ab 100644
--- a/swh/scheduler/tests/test_scheduler_updater.py
+++ b/swh/scheduler/tests/test_scheduler_updater.py
@@ -1,68 +1,67 @@
 # Copyright (C) 2018  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 import os
 import unittest
 
 from arrow import utcnow
 from nose.plugins.attrib import attr
 from nose.tools import istest
 from hypothesis import given
 from hypothesis.strategies import sets, from_regex
-from urllib.parse import urlencode
 
 from swh.core.tests.db_testing import SingleDbTestFixture
 from swh.scheduler.updater.backend import SchedulerUpdaterBackend
 from swh.scheduler.updater.events import SWHEvent
 
 TEST_DIR = os.path.dirname(os.path.abspath(__file__))
 TEST_DATA_DIR = os.path.join(TEST_DIR, '../../../../swh-storage-testdata')
 
 
 @attr('db')
 class SchedulerUpdaterTest(SingleDbTestFixture, unittest.TestCase):
     TEST_DB_NAME = 'softwareheritage-scheduler-updater-test'
     TEST_DB_DUMP = os.path.join(TEST_DATA_DIR,
                                 'dumps/swh-scheduler-updater.dump')
 
     def setUp(self):
         super().setUp()
         config = {
             'scheduling_updater_db': 'dbname=' + self.TEST_DB_NAME,
             'time_window': '1 minute',
         }
         self.backend = SchedulerUpdaterBackend(**config)
 
     def _empty_tables(self):
         self.cursor.execute(
             """SELECT table_name FROM information_schema.tables
                WHERE table_schema = %s""", ('public', ))
         tables = set(table for (table,) in self.cursor.fetchall())
         for table in tables:
             self.cursor.execute('truncate table %s cascade' % table)
         self.conn.commit()
 
     def tearDown(self):
         self.backend.close_connection()
         self._empty_tables()
         super().tearDown()
 
     @istest
     @given(sets(
         from_regex(
-            r'^https://somwhere[.]org/[a-z0-9]{5,7}/[a-z0-9]{3,10}$'),
+            r'^https://somewhere[.]org/[a-z0-9]{5,7}/[a-z0-9]{3,10}$'),
         min_size=10, max_size=15))
     def cache_read(self, urls):
         def gen_events(urls):
             for url in urls:
                 yield SWHEvent({
                     'url': url,
                     'event': 'create'
                 })
 
         self.backend.cache_put(gen_events(urls))
         r = self.backend.cache_read(timestamp=utcnow())
 
         self.assertNotEqual(r, [])