diff --git a/.gitignore b/.gitignore
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@
 dist/
 .hypothesis
 .pytest_cache
+.tox/
diff --git a/requirements-test.txt b/requirements-test.txt
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1 +1 @@
-nose
+pytest
diff --git a/swh/loader/git/tests/test_converters.py b/swh/loader/git/tests/test_converters.py
--- a/swh/loader/git/tests/test_converters.py
+++ b/swh/loader/git/tests/test_converters.py
@@ -158,7 +158,7 @@
             'synthetic': False,
         }
 
-        self.assertEquals(revision, expected_revision)
+        self.assertEqual(revision, expected_revision)
 
     def test_author_line_to_author(self):
         tests = {
@@ -196,8 +196,8 @@
 
         for author in sorted(tests):
             parsed_author = tests[author]
-            self.assertEquals(parsed_author,
-                              converters.parse_author(author))
+            self.assertEqual(parsed_author,
+                             converters.parse_author(author))
 
     def test_dulwich_tag_to_release_no_author_no_date(self):
         target = b'641fb6e08ddb2e4fd096dcf18e80b894bf'
@@ -226,7 +226,7 @@
             'target_type': 'revision'
         }
 
-        self.assertEquals(actual_release, expected_release)
+        self.assertEqual(actual_release, expected_release)
 
     def test_dulwich_tag_to_release_author_and_date(self):
         tagger = b'hey dude <hello@mail.org>'
@@ -269,7 +269,7 @@
             'target_type': 'revision'
         }
 
-        self.assertEquals(actual_release, expected_release)
+        self.assertEqual(actual_release, expected_release)
 
     def test_dulwich_tag_to_release_author_no_date(self):
         # to reproduce bug T815 (fixed)
@@ -304,4 +304,4 @@
             'target_type': 'revision'
         }
 
-        self.assertEquals(actual_release, expected_release)
+        self.assertEqual(actual_release, expected_release)
diff --git a/tox.ini b/tox.ini
new file mode 100644
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,16 @@
+[tox]
+envlist=flake8,py3
+
+[testenv:py3]
+deps =
+  .[testing]
+  pytest-cov
+commands =
+  pytest --cov=swh --cov-branch {posargs}
+
+[testenv:flake8]
+skip_install = true
+deps =
+  flake8
+commands =
+  {envpython} -m flake8