Update app.py

app.py

@@ -73,12 +73,12 @@ def thread_dif(out_prompt,mod):
             out = Image.open(io.BytesIO(r.content))
             out_box.append(out)
         html_out = "<div class='grid_class'>"+out_html+"</div>"
-        yield out_box,html_out
+        return out_box,html_out
     except Exception as e:
         out_html+=str(e)
         html_out = "<div class='grid_class'>"+out_html+"</div>"
         
-        yield out_box,html_out
+        return out_box,html_out
 
 
             
@@ -91,7 +91,7 @@ def start_threads(prompt):
     print (t2)
     a1,a2=t1.result()
     b1,b2=t2.result()
-    yield a1,a2
+    return a1,a2
             
 css="""
 .grid_class{