Fix FixedOffset comparison

Fixes #19

2 files changed, 5 insertions, 3 deletions

diff --git a/iso8601/iso8601.py b/iso8601/iso8601.py
index c8284d4..59273e1 100644
--- a/iso8601/iso8601.py
+++ b/iso8601/iso8601.py
@@ -115,9 +115,7 @@ else:
                     and
                     (other.__name == self.__name)
                 )
-            if isinstance(other, tzinfo):
-                return other == self
-            return False
+            return NotImplemented
 
         def __getinitargs__(self):
             return (self.__offset_hours, self.__offset_minutes, self.__name)
diff --git a/iso8601/test_iso8601.py b/iso8601/test_iso8601.py
index bc5e763..0d01ffb 100644
--- a/iso8601/test_iso8601.py
+++ b/iso8601/test_iso8601.py
@@ -12,6 +12,10 @@ from iso8601 import iso8601
 def test_iso8601_regex():
     assert iso8601.ISO8601_REGEX.match("2006-10-11T00:14:33Z")
 
+def test_fixedoffset_eq():
+    # See https://bitbucket.org/micktwomey/pyiso8601/issues/19
+    datetime.tzinfo() == iso8601.FixedOffset(2, 0, '+2:00')
+
 def test_parse_no_timezone_different_default():
     tz = iso8601.FixedOffset(2, 0, "test offset")
     d = iso8601.parse_date("2007-01-01T08:00:00", default_timezone=tz)