Don't assume that SyntaxTB is always called with a SyntaxError

Closes ipythongh-4361
mattvonrocketstein · Oct 9, 2013 · a1f3801 · a1f3801
1 parent ff8b9b0
commit a1f3801
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/IPython/core/ultratb.py b/IPython/core/ultratb.py
@@ -1202,7 +1202,8 @@ def structured_traceback(self, etype, value, elist, tb_offset=None,
         # If the source file has been edited, the line in the syntax error can
         # be wrong (retrieved from an outdated cache). This replaces it with
         # the current value.
-        if isinstance(value.filename, py3compat.string_types) \
+        if isinstance(value, SyntaxError) \
+                and isinstance(value.filename, py3compat.string_types) \
                 and isinstance(value.lineno, int):
             linecache.checkcache(value.filename)
             newtext = ulinecache.getline(value.filename, value.lineno)