Get rid of a bunch more raw_input references
diff --git a/Tools/compiler/regrtest.py b/Tools/compiler/regrtest.py
index 50d06e7..4244d62 100644
--- a/Tools/compiler/regrtest.py
+++ b/Tools/compiler/regrtest.py
@@ -67,6 +67,11 @@
 def cleanup(dir):
     os.system("rm -rf %s" % dir)
 
+def raw_input(prompt):
+    sys.stdout.write(prompt)
+    sys.stdout.flush()
+    return sys.stdin.readline()
+
 def main():
     lib_dir = copy_library()
     compile_files(lib_dir)