fix pip install

mmcky · mmcky · commit 737a6331d1fb · 2023-12-14T11:04:54.000+11:00
diff --git a/lectures/prob_dist.md b/lectures/prob_dist.md
@@ -27,7 +27,7 @@ In this lecture we give a quick introduction to data and probability distributio
 
 ```{code-cell} ipython3
 :tags: [hide-output]
-! pip install --upgrade yfinance  
+!pip install --upgrade yfinance  
 ```
 
 ```{code-cell} ipython3
