Add documentation to the base_screen module

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

1 files changed, 5 insertions, 2 deletions

diff --git a/cameltris/screens/base_screen.py b/cameltris/screens/base_screen.py
index 87c15f4..45f3954 100644
--- a/cameltris/screens/base_screen.py
+++ b/cameltris/screens/base_screen.py
@@ -1,11 +1,14 @@
+""" Module that defines the base abstract class for a screen """
+
 import abc
 
 
 class Screen(abc.ABC):
+    """ Represents an abstract class for a screen """
     @abc.abstractmethod
     def refresh(self) -> None:
-        pass
+        """ Refresh the screen"""
 
     @abc.abstractmethod
     def oneframe(self) -> None:
-        pass
+        """ Perform the updates needed for the current frame """