diff options
Diffstat (limited to 'grc/core/Connection.py')
| -rw-r--r-- | grc/core/Connection.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/grc/core/Connection.py b/grc/core/Connection.py index f979efb3e4..e79ffe14e4 100644 --- a/grc/core/Connection.py +++ b/grc/core/Connection.py @@ -93,7 +93,9 @@ class Connection(Element): source_dtype = self.source_port.dtype sink_dtype = self.sink_port.dtype - if source_dtype != sink_dtype and source_dtype not in ALIASES_OF.get(sink_dtype): + if source_dtype != sink_dtype and source_dtype not in ALIASES_OF.get( + sink_dtype, default=set() + ): self.add_error_message('Source IO type "{}" does not match sink IO type "{}".'.format(source_dtype, sink_dtype)) source_size = self.source_port.item_size |