fix drawing dfd with nested boundaries

OWASP · Sep 23, 2020 · 095f533 · 095f533
1 parent 56a1df3
commit 095f533
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pytm/pytm.py b/pytm/pytm.py
@@ -1289,7 +1289,7 @@ def _dfd_template(self):
 
     def dfd(self):
         if self._is_drawn:
-            return
+            return ""
 
         self._is_drawn = True
         logger.debug("Now drawing boundary " + self.name)