Fix empty authconfig detectionauthconfig_fix

Signed-off-by: Joffrey F <joffrey@docker.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/docker/auth.py b/docker/auth.py
index c1b874f..58b35eb 100644
--- a/docker/auth.py
+++ b/docker/auth.py
@@ -39,7 +39,7 @@ def resolve_index_name(index_name):
 
 def get_config_header(client, registry):
     log.debug('Looking for auth config')
-    if not client._auth_configs:
+    if not client._auth_configs or client._auth_configs.is_empty:
         log.debug(
             "No auth config in memory - loading from filesystem"
         )
@@ -212,6 +212,12 @@ class AuthConfig(dict):
     def cred_helpers(self):
         return self.get('credHelpers', {})
 
+    @property
+    def is_empty(self):
+        return (
+            not self.auths and not self.creds_store and not self.cred_helpers
+        )
+
     def resolve_authconfig(self, registry=None):
         """
         Returns the authentication data from the given auth configuration for a