Merge pull request #149 from scrapy/better-error-message

better error message when incorrect data is passed to Selector "text" argument
scrapy · Oct 25, 2019 · ce169cd · ce169cd
2 parents 3571df4 + 4be716d
commit ce169cd
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/parsel/selector.py b/parsel/selector.py
@@ -201,7 +201,9 @@ def __init__(self, text=None, type=None, namespaces=None, root=None,
 
         if text is not None:
             if not isinstance(text, six.text_type):
-                raise TypeError("text argument should be of type %s" % six.text_type)
+                msg = "text argument should be of type %s, got %s" % (
+                           six.text_type, text.__class__)
+                raise TypeError(msg)
             root = self._get_root(text, base_url)
         elif root is None:
             raise ValueError("Selector needs either text or root argument")