Update README.md

EiffL · web-flow · commit 6b6785d7efe9 · 2020-04-28T20:44:26.000+02:00
diff --git a/README.md b/README.md
@@ -18,7 +18,7 @@ $ pip install -e .
 
 ## Example
 
-```
+```python
 import numpy as np
 import matplotlib.pyplot as plt
 import pycs
