diff --git a/contract/models/contract_line_constraints.py b/contract/models/contract_line_constraints.py
index ad0faa69a..eeaba307b 100644
--- a/contract/models/contract_line_constraints.py
+++ b/contract/models/contract_line_constraints.py
@@ -47,7 +47,7 @@ def _expand_none(criteria):
 
 
 def _add(matrix, criteria, allowed):
-    """ Expand None values to True/False combination """
+    """Expand None values to True/False combination"""
     for c in _expand_none(criteria):
         matrix[c] = allowed
 
diff --git a/contract/models/res_partner.py b/contract/models/res_partner.py
index a9b471ebe..5a7c66101 100644
--- a/contract/models/res_partner.py
+++ b/contract/models/res_partner.py
@@ -41,14 +41,10 @@ class ResPartner(models.Model):
         for partner in self:
             partner_child_ids = partner.child_ids.ids + partner.ids
             partner.sale_contract_count = sum(
-                [r[2] for r in result if r[0] in partner_child_ids and r[1] == "sale"]
+                r[2] for r in result if r[0] in partner_child_ids and r[1] == "sale"
             )
             partner.purchase_contract_count = sum(
-                [
-                    r[2]
-                    for r in result
-                    if r[0] in partner_child_ids and r[1] == "purchase"
-                ]
+                r[2] for r in result if r[0] in partner_child_ids and r[1] == "purchase"
             )
 
     def act_show_contract(self):
diff --git a/contract/tests/test_contract.py b/contract/tests/test_contract.py
index dce80ea27..a124603b1 100644
--- a/contract/tests/test_contract.py
+++ b/contract/tests/test_contract.py
@@ -309,7 +309,7 @@ class TestContract(TestContractBase):
         self.contract._recurring_create_invoice()
         invoice_daily = self.contract._get_related_invoices()
         self.assertTrue(invoice_daily)
-        self.assertEquals(self.contract.user_id, invoice_daily.user_id)
+        self.assertEqual(self.contract.user_id, invoice_daily.user_id)
 
     def test_contract_weekly_post_paid(self):
         recurring_next_date = to_date("2018-03-01")
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 000000000..7d41f1be0
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+# generated from manifests external_dependencies
+python-dateutil
diff --git a/setup/contract/odoo/addons/contract b/setup/contract/odoo/addons/contract
new file mode 120000
index 000000000..28176509d
--- /dev/null
+++ b/setup/contract/odoo/addons/contract
@@ -0,0 +1 @@
+../../../../contract
\ No newline at end of file
diff --git a/setup/contract/setup.py b/setup/contract/setup.py
new file mode 100644
index 000000000..28c57bb64
--- /dev/null
+++ b/setup/contract/setup.py
@@ -0,0 +1,6 @@
+import setuptools
+
+setuptools.setup(
+    setup_requires=['setuptools-odoo'],
+    odoo_addon=True,
+)