fix

app.py

@@ -118,21 +118,21 @@ def model_inference(
 
     # After finishing the streamer loop:
     cleaned_output = full_output.replace("<end_of_utterance>", "").strip()
-    final_output = cleaned_output
 
-    # If markdown conversion is needed, combine it with cleaned_output
+    if cleaned_output:
+        yield cleaned_output
+        # Now, since cleaned_output exists, we can safely use it.
         if any(tag in cleaned_output for tag in ["<doctag>", "<otsl>", "<code>", "<chart>", "<formula>"]):
             doctag_output = cleaned_output
             if "<chart>" in doctag_output:
                 doctag_output = doctag_output.replace("<chart>", "<otsl>").replace("</chart>", "</otsl>")
                 doctag_output = re.sub(r'(<loc_500>)(?!.*<loc_500>)<[^>]+>', r'\1', doctag_output)
+            
             doc = DoclingDocument(name="Document")
             doctags_doc = DocTagsDocument.from_doctags_and_image_pairs([doctag_output], images)
             doc.load_from_doctags(doctags_doc)
-        final_output += "\n\n**MD Output:**\n\n" + doc.export_to_markdown()
+            yield f"**MD Output:**\n\n{doc.export_to_markdown()}"
 
-    # Yield the final combined output only once
-    yield final_output
 
 
     if any(tag in doctag_output for tag in ["<doctag>", "<otsl>", "<code>", "<chart>", "<formula>"]):