Update app.py

app.py

@@ -146,7 +146,7 @@ def test_error( images, x_mask):
 def recognize_text(input_image):
     x, x_mask=preprocess_img(input_image)
     output_str=test_error(x, x_mask)
-    return output_str
+    return "output_str"
 
 
 title = "CALText Demo"