SEA: fix lost parameter on top level

frappy_psi/sea.py

@@ -711,14 +711,14 @@ class SeaModule(Module):
     @classmethod
     def paramFilter(cls, result, paramdesc):
         sub = paramdesc['path'].split('/', 1)
+        sublist = result.get(sub[0])
         if len(sub) == 1:  # direct kid
-            if 'kids' in paramdesc:
-                # do not take main node of a tree
-                return False
-            # parameter at top level
-            sublist = result.get('.')
-        else:
-           sublist = result.get(sub[0])
+            toplist = result.get('.')
+            if toplist is not None:
+                if 'kids' in paramdesc:
+                    # do not take main node of a tree
+                    return False
+                sublist = toplist
         if sublist is None:
             return False
         sublist.append(paramdesc)