add changelog entry. formatings

CHANGES.rst

@@ -13,11 +13,15 @@ Fixes:
 - Fixed possible IndexError exception during parsing of an ical string.
   [stlaz]
 
-- Fixed date-time being recognized as date or time during parsing. Added
-  better error handling to parsing from ical strings.
+- When doing a boolean test on ``icalendar.cal.Component``, always return ``True``.
+  Before it was returning ``False`` due to CaselessDict, if it didn't contain any items.
   [stlaz]
 
-- Added __version__ attribute to init.py
+- Fixed date-time being recognized as date or time during parsing.
+  Added better error handling to parsing from ical strings.
+  [stlaz]
+
+- Added __version__ attribute to init.py.
   [TomTry]
 
 - Documentation fixes.

src/icalendar/cal.py

@@ -94,8 +94,7 @@ class Component(CaselessDict):
     #    return name in not_compliant
 
     def __bool__(self):
-        """
-        Returns True, CaselessDict would return False if it had no items
+        """Returns True, CaselessDict would return False if it had no items.
         """
         return True
 
@@ -103,10 +102,9 @@ class Component(CaselessDict):
     __nonzero__ = __bool__
 
     def is_empty(self):
+        """Returns True if Component has no items or subcomponents, else False.
         """
-        Returns True if Component has no items or subcomponents, else False
-        """
-        return True if not (list(self.values()) + self.subcomponents) else False
+        return True if not (list(self.values()) + self.subcomponents) else False  # noqa
 
     #############################
     # handling of property values