#1479: Fix refleak in csv module (from rev 59062).

diff --git a/Modules/_csv.c b/Modules/_csv.c
index 75cafb26085b024ef145725b70c5efb8ff32a12c..afa7810b566b02d0c5802186635645c39e3475e5 100644 (file)
--- a/Modules/_csv.c
+++ b/Modules/_csv.c
@@ -793,14 +793,13 @@ Reader_iternext(ReaderObj *self)
                                             "newline inside string");
                         return NULL;
                 }
-               if (!PyUnicode_Check(lineobj))
-               {
-                       PyErr_Format(error_obj,
-                                    "Iterator should return strings, "
-                                    "not %.200s "
-                                    "(did you open the file in text mode?)",
+               if (!PyUnicode_Check(lineobj)) {
+                       PyErr_Format(error_obj, "iterator should return "
+                                    "strings, not %.200s (did you open "
+                                    "the file in text mode?)",
                                     lineobj->ob_type->tp_name
                                );
+                       Py_DECREF(lineobj);
                        return NULL;
                }
                 ++self->line_num;