diff --git a/hassio/addons/__init__.py b/hassio/addons/__init__.py
index f3e674da2..f432ac96c 100644
--- a/hassio/addons/__init__.py
+++ b/hassio/addons/__init__.py
@@ -29,7 +29,7 @@ class AddonManager(AddonsData):
         self.arch = arch
 
         # init hassio repository
-        self.repository.append(AddonsRepoHassIO(self.config, self.loop))
+        self.repositories.append(AddonsRepoHassIO(self.config, self.loop))
 
         # init custom repositories
         for url, slug in self.config.addons_repositories.items():
diff --git a/hassio/addons/git.py b/hassio/addons/git.py
index e62817ab9..130eba27b 100644
--- a/hassio/addons/git.py
+++ b/hassio/addons/git.py
@@ -91,7 +91,7 @@ class AddonsRepoCustom(AddonsRepo):
         if slug is None:
             _LOGGER("Init new custom addon repository %s", url)
             with tempfile.TemporaryDirectory(dir=config.path_addons_custom) \
-                    temp_dir:
+                    as temp_dir:
                 slug = temp_dir.name
 
             config.add_addons_repository(url, slug)
diff --git a/hassio/config.py b/hassio/config.py
index eafc6a494..217b4929a 100644
--- a/hassio/config.py
+++ b/hassio/config.py
@@ -31,11 +31,11 @@ UPSTREAM_BETA = 'upstream_beta'
 API_ENDPOINT = 'api_endpoint'
 
 
+# pylint: disable=no-value-for-parameter
 SCHEMA_CONFIG = vol.Schema({
-    vol.Optional(
-        HOMEASSISTANT_IMAGE,
-        default=os.environ.get('HOMEASSISTANT_REPOSITORY')):
-            vol.Coerce(str),
+    vol.Optional(HOMEASSISTANT_IMAGE,
+                 default=os.environ.get('HOMEASSISTANT_REPOSITORY')):
+        vol.Coerce(str),
     vol.Optional(UPSTREAM_BETA, default=False): vol.Boolean(),
     vol.Optional(API_ENDPOINT): vol.Coerce(str),
     vol.Optional(HOMEASSISTANT_LAST): vol.Coerce(str),
@@ -213,7 +213,7 @@ class CoreConfig(Config):
 
     def add_addons_repository(self, repo, slug):
         """Add a custom repository to list."""
-        self._data[ADDONS_CUSTOM_LIST][repo][slug]
+        self._data[ADDONS_CUSTOM_LIST][repo] = slug
         self.save()
 
     def drop_addons_repository(self, repo):