added code type

rusty1s · rusty1s · commit 88b8bd1f00d5 · 2018-01-29T15:58:05.000+01:00
diff --git a/README.md b/README.md
@@ -69,6 +69,6 @@ print(argmax)
 
 ## Running tests
 
-```
+```sh
 python setup.py test
 ```
