diff --git a/debian/control b/debian/control
index 604aca1..f931112 100644
--- a/debian/control
+++ b/debian/control
@@ -1,24 +1,25 @@
 Source: swh-core
 Maintainer: Software Heritage developers <swh-devel@inria.fr>
 Section: python
 Priority: optional
 Build-Depends: debhelper (>= 9),
-               dh-python,
+               dh-python (>= 2),
                python3-all,
+               python3-aiohttp,
                python3-flask,
                python3-requests,
                python3-dateutil,
                python3-msgpack,
                python3-nose,
                python3-psycopg2,
                python3-setuptools,
                python3-systemd,
                python3-yaml,
                python3-vcversioner
 Standards-Version: 3.9.6
 Homepage: https://forge.softwareheritage.org/diffusion/DCORE/
 
 Package: python3-swh.core
 Architecture: all
 Depends: ${misc:Depends}, ${python3:Depends}, python3-systemd
 Description: Software Heritage core utilities
diff --git a/debian/rules b/debian/rules
index 9eab09a..ee8c661 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,14 +1,7 @@
 #!/usr/bin/make -f
 
-# This file was automatically generated by stdeb 0.8.5 at
-# Tue, 22 Sep 2015 12:05:09 +0200
-export PYBUILD_NAME=swh-core
+export PYBUILD_NAME=swh.core
+export export PYBUILD_TEST_ARGS=--with-doctest -sv -a !db,!fs
 
 %:
 	dh $@ --with python3 --buildsystem=pybuild
-
-
-override_dh_auto_test:
-	PYBUILD_SYSTEM=custom \
-        PYBUILD_TEST_ARGS="cd {build_dir}; python{version} -m nose -sv swh -a '!db'" \
-        dh_auto_test
diff --git a/setup.py b/setup.py
index 4925503..5b6c3ef 100644
--- a/setup.py
+++ b/setup.py
@@ -1,30 +1,30 @@
 #!/usr/bin/env python3
 
-from setuptools import setup
+from setuptools import setup, find_packages
 
 
 def parse_requirements():
     requirements = []
     for reqf in ('requirements.txt', 'requirements-swh.txt'):
         with open(reqf) as f:
             for line in f.readlines():
                 line = line.strip()
                 if not line or line.startswith('#'):
                     continue
                 requirements.append(line)
     return requirements
 
 
 setup(
     name='swh.core',
     description='Software Heritage core utilities',
     author='Software Heritage developers',
     author_email='swh-devel@inria.fr',
     url='https://forge.softwareheritage.org/diffusion/DCORE/',
-    packages=['swh.core', 'swh.core.tests'],
+    packages=find_packages(),
     scripts=['bin/swh-hashdir', 'bin/swh-hashfile'],
     install_requires=parse_requirements(),
     setup_requires=['vcversioner'],
     vcversioner={},
     include_package_data=True,
 )
diff --git a/swh/__init__.py b/swh/__init__.py
new file mode 100644
index 0000000..69e3be5
--- /dev/null
+++ b/swh/__init__.py
@@ -0,0 +1 @@
+__path__ = __import__('pkgutil').extend_path(__path__, __name__)