--- Python-2.7.5-orig/Tools/gdb/libpython.py	2013-05-12 03:32:54.000000000 +0000
+++ Python-2.7.5-orig/Tools/gdb/libpython.py	2013-09-15 09:56:25.494000000 +0000
@@ -887,6 +887,8 @@ 
         newline character'''
         if self.is_optimized_out():
             return '(frame information optimized out)'
+        if self.filename() == '<string>':
+            return '(in an eval block)'
         filename = self.filename()
         try:
             f = open(filename, 'r')