reinstate an accidentally removed load_config() call

Signed-off-by: Mattia Rizzolo <mattia@debian.org>

managetests/branches.py

@@ -44,6 +44,7 @@ class Branch:
         self.pinned = name in manager.config["keep-branches"]
 
         self.check_remote_status()
+        self.load_config()
 
     def check_remote_status(self):
         """Check the branch merging status on GitLab"""

managetests/instances.py

@@ -16,7 +16,6 @@
 
 import subprocess
 import atexit
-import time
 
 from werkzeug import serving