From f262cac7ba5b3e039133067b5d93d332cf717f2a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Quentin=20Gallou=C3=A9dec?=
 <45557362+qgallouedec@users.noreply.github.com>
Date: Tue, 29 Nov 2022 15:25:14 +0100
Subject: [PATCH] Update distribution docstring

---
 stable_baselines3/common/distributions.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/stable_baselines3/common/distributions.py b/stable_baselines3/common/distributions.py
index a948c4b..532c2e6 100644
--- a/stable_baselines3/common/distributions.py
+++ b/stable_baselines3/common/distributions.py
@@ -58,7 +58,8 @@ class Distribution(ABC):
         """
         Returns Shannon's entropy of the probability
 
-        :return: the entropy, or None if no analytical form is known
+        :return: The entropy
+        :raises NotImplementedError: If no analytical form is known
         """
 
     @abstractmethod