Update README.md

README.md

@@ -25,7 +25,7 @@ conda activate bap3
 
 ### pip
 ```
-pip install pymc==5.8.0 arviz==0.16.1 bambi==0.13.0 pymc-bart==0.5.2 kulprit==0.0.1 preliz[full,notebook]==0.3.6 nutpie==0.9.1
+pip install pymc==5.8.0 arviz==0.16.1 bambi==0.13.0 pymc-bart==0.5.2 kulprit==0.0.1 'preliz[full,notebook]==0.3.6' nutpie==0.9.1
 ```
 
 ### Citation