IMP: Allow Collection[Visualization] for outputs in visualizers (#762)

qiime2 · Apr 17, 2024 · 27f5ec0 · 27f5ec0
1 parent 6306962
commit 27f5ec0
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/qiime2/core/type/signature.py b/qiime2/core/type/signature.py
@@ -302,7 +302,8 @@ def _assert_valid_outputs(self, outputs):
 
         for output_name, spec in outputs.items():
             if not (is_semantic_type(spec.qiime_type) or
-                    spec.qiime_type == Visualization):
+                    spec.qiime_type == Visualization or
+                    spec.qiime_type == Collection[Visualization]):
                 raise TypeError(
                     "Output %r must be a semantic QIIME type or "
                     "Visualization, not %r"