Merge pull request #1070 from johnthagen/patch-1

Update README module example to support Python 3
diff --git a/README.md b/README.md
index 557b0f3..89b8e3b 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@
 
 p = IP(dst="github.com")/TCP()
 r = sr1(p)
-print r.summary()
+print(r.summary())
 ```
 
 Then, launch the script with: