Fix typing

jwodder · May 2, 2024 · 02f868c · 02f868c
1 parent 670585a
commit 02f868c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/eletter/classes.py b/src/eletter/classes.py
@@ -830,7 +830,9 @@ def _compile(self) -> EmailMessage:
         if self.content_id is not None:
             msg["Content-ID"] = self.content_id
         if ctype is None:
-            ctype = msg.get_payload()[0].get_content_type()
+            rel1 = msg.get_payload(0)
+            assert isinstance(rel1, EmailMessage)
+            ctype = rel1.get_content_type()
         msg.set_param("type", ctype)
         if self.start is not None:
             msg.set_param("start", self.start)