Added missing / constraint

Author: Theomat

examples/pbe/transduction/knowledge_graph/kg_path_finder.py

@@ -90,9 +90,9 @@ def find_paths_from_level(
     if level < 0:
         return []
     for inp, out in pairs:
-        if "+" in inp or "|" in inp or ">" in inp or "<" in inp:
+        if "+" in inp or "|" in inp or ">" in inp or "<" in inp or "/" in inp:
             return []
-        if "+" in out or "|" in out or ">" in out or "<" in out:
+        if "+" in out or "|" in out or ">" in out or "<" in out or "/" in out:
             return []
     d = level
     while d < max_distance: