Add docstrings to all modules

Signed-off-by: Olivier Gayot <olivier.gayot@sigexec.com>

1 files changed, 8 insertions, 3 deletions

diff --git a/swiftstory/exception.py b/swiftstory/exception.py
index 764289f..ad7a894 100644
--- a/swiftstory/exception.py
+++ b/swiftstory/exception.py
@@ -1,9 +1,14 @@
+""" Define a few exceptions types to be used. """
+
 class WrongAction(Exception):
-    pass
+    """ Exception to be raised when a player performs an action that is not
+    permitted. """
 
 
 class UnsupportedLanguage(Exception):
-    pass
+    """ Exception to be raised when trying to join a game in a language that is
+    not supported. """
+
 
 class JoinError(Exception):
-    pass
+    """ Exception to be raised when a game/room cannot be joined. """