Register an empty backend by default

scidash · Feb 5, 2020 · 68ba7e3 · 68ba7e3
1 parent a300378
commit 68ba7e3
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/sciunit/models/backends.py b/sciunit/models/backends.py
@@ -8,7 +8,6 @@
 
 available_backends = {}
 
-
 def register_backends(vars):
     """Register backends for use with models.
 
@@ -141,3 +140,8 @@ def save_results(self, path='.'):
 class BackendException(Exception):
     """Generic backend exception class."""
     pass
+
+# Register the base class as a Backend just so that there is
+# always something available.  This Backend won't do anything
+# useful other than caching.
+register_backends({'None': Backend})