Merge in DB branch (even though it does not offer the change-db-in-prefs feature)

1 files changed, 4 insertions, 0 deletions

diff --git a/portato/backend/exceptions.py b/portato/backend/exceptions.py
index 8e442f6..f20a33e 100644
--- a/portato/backend/exceptions.py
+++ b/portato/backend/exceptions.py
@@ -18,6 +18,10 @@ class PackageNotFoundException (Exception):
     """An exception marking that a package could not be found."""
     pass
 
+class VersionsNotFoundException (Exception):
+    """An exception marking that there could be no versions found for a specific CP."""
+    pass
+
 class DependencyCalcError (Exception):
     """An error occured during dependency calculation."""
     pass