add var in config

ereuse_devicehub/config.py

@@ -68,3 +68,6 @@ class DevicehubConfig(Config):
 
     """Admin email"""
     EMAIL_ADMIN = config('EMAIL_ADMIN', '')
+
+    """Definition of path where save the documents of customers"""
+    PATH_DOCUMENTS_STORAGE = config('PATH_DOCUMENTS_STORAGE', '/tmp/')

tests/conftest.py

@@ -33,6 +33,7 @@ class TestConfig(DevicehubConfig):
     TMP_SNAPSHOTS = '/tmp/snapshots'
     TMP_LIVES = '/tmp/lives'
     EMAIL_ADMIN = 'foo@foo.com'
+    PATH_DOCUMENTS_STORAGE = '/tmp/trade_documents'
 
 
 @pytest.fixture(scope='session')