fixed mypy

Author: jrobertboos

src/utils/responses.py

@@ -1079,15 +1079,16 @@ def _extract_text_from_content(
 
     text_fragments: list[str] = []
     for part in content:
-        if part.type == "input_text":
+        part_type = getattr(part, "type", None)
+        if part_type == "input_text":
             input_text_part = cast(InputTextPart, part)
             if input_text_part.text:
                 text_fragments.append(input_text_part.text.strip())
-        elif part.type == "output_text":
+        elif part_type == "output_text":
             output_text_part = cast(OutputTextPart, part)
             if output_text_part.text:
                 text_fragments.append(output_text_part.text.strip())
-        elif part.type == "refusal":
+        elif part_type == "refusal":
             refusal_part = cast(ContentPartRefusal, part)
             if refusal_part.refusal:
                 text_fragments.append(refusal_part.refusal.strip())