encoding must be set on top of file. and better use utf-8

src/icalendar/__init__.py

@@ -23,6 +23,7 @@
 # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 # Components
+
 from icalendar.cal import Calendar, Event, Todo, Journal
 from icalendar.cal import FreeBusy, Timezone, Alarm, ComponentFactory
 

src/icalendar/cal.py

@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 # Copyright (c) 2012, Plone Foundation
 # All rights reserved.
 #
@@ -22,7 +24,6 @@
 # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-# -*- coding: latin-1 -*-
 
 """
 

src/icalendar/caselessdict.py

@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 # Copyright (c) 2012, Plone Foundation
 # All rights reserved.
 #
@@ -22,7 +24,6 @@
 # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-# -*- coding: latin-1 -*-
 
 def canonsort_keys(keys, canonical_order=None):
     """

src/icalendar/interfaces.py

@@ -22,6 +22,7 @@
 # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 try:
     from zope.interface import Interface, Attribute
 except ImportError:

src/icalendar/tools.py

@@ -22,6 +22,7 @@
 # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 """ This module contains non-essential tools for iCalendar. Pretty thin so far
 eh?
 """