-

cool-RR · cool-RR · commit 349917d38f5b · 2016-04-22T15:20:53.000+03:00
diff --git a/source_py3/python_toolbox/context_management/abstract_context_manager.py b/source_py3/python_toolbox/context_management/abstract_context_manager.py
@@ -14,7 +14,13 @@
 
 class AbstractContextManager(metaclass=abc.ABCMeta):
     '''
-    blocktodo: add tests
+    A no-frills context manager.
+    
+    This class is used mostly to check whether an object is a context manager:
+    
+        >>> isinstance(threading.Lock(), AbstractContextManager)
+        True
+
     '''
     @abc.abstractmethod
     def __enter__(self):
