Get rid of a bunch more raw_input references
diff --git a/Demo/pdist/mac.py b/Demo/pdist/mac.py
index 107113c..61cff09 100755
--- a/Demo/pdist/mac.py
+++ b/Demo/pdist/mac.py
@@ -1,14 +1,18 @@
 import sys
-import string
 import rcvs
 
+def raw_input(prompt):
+    sys.stdout.write(prompt)
+    sys.stdout.flush()
+    return sys.stdin.readline()
+
 def main():
     while 1:
         try:
             line = raw_input('$ ')
         except EOFError:
             break
-        words = string.split(line)
+        words = line.split()
         if not words:
             continue
         if words[0] != 'rcvs':
@@ -16,4 +20,5 @@
         sys.argv = words
         rcvs.main()
 
-main()
+if __name__ == '__main__':
+    main()