Avoid exception chaining on Python 3.

This avoids exceptions raised by errors='strict' from displaying as
"During handling of the above exception ..." in the backtrace which
can be confusing.

1 files changed, 7 insertions, 4 deletions

diff --git a/unidecode/__init__.py b/unidecode/__init__.py
index 54c543d..776d6e4 100644
--- a/unidecode/__init__.py
+++ b/unidecode/__init__.py
@@ -65,11 +65,14 @@ def unidecode_expect_ascii(string, errors='ignore', replace_str='?'):
     try:
         bytestring = string.encode('ASCII')
     except UnicodeEncodeError:
-        return _unidecode(string, errors, replace_str)
-    if version_info[0] >= 3:
-        return string
+        pass
     else:
-        return bytestring
+        if version_info[0] >= 3:
+            return string
+        else:
+            return bytestring
+
+    return _unidecode(string, errors, replace_str)
 
 def unidecode_expect_nonascii(string, errors='ignore', replace_str='?'):
     """Transliterate an Unicode object into an ASCII string