diff -up pycparser-release_v2.09.1/pycparser/_build_tables.py.tables-sys-path pycparser-release_v2.09.1/pycparser/_build_tables.py
--- pycparser-release_v2.09.1/pycparser/_build_tables.py.tables-sys-path	2013-07-22 13:17:44.950531002 -0600
+++ pycparser-release_v2.09.1/pycparser/_build_tables.py	2013-07-22 13:18:29.188526142 -0600
@@ -17,7 +17,7 @@ ast_gen = ASTCodeGenerator('_c_ast.cfg')
 ast_gen.generate(open('c_ast.py', 'w'))
 
 import sys
-sys.path.extend(['.', '..'])
+sys.path[0:0] = ['.', '..']
 from pycparser import c_parser
 
 # Generates the tables