Fixes loading of timezones without transitions.

Author: sdispater

pendulum/tz/loader.py

@@ -93,8 +93,11 @@ def _load(cls, fp):
             i += 3
 
         # Now build the timezone object
-        if len(transition_times) == 0:
+        if not transition_times:
             transitions = tuple()
+
+            if transition_types:
+                transitions += (Transition(0, 0, datetime(1970, 1, 1), datetime(1970, 1, 1), 0),)
         else:
             # calculate transition info
             transitions = tuple()

tests/pendulum_tests/test_construct.py

@@ -165,3 +165,8 @@ def test_create(self):
 
             d = Pendulum.create(microsecond=123456)
             self.assertPendulum(d, now.year, now.month, now.day, 0, 0, 0, 123456)
+
+    def test_create_with_not_transition_timezone(self):
+        dt = Pendulum.create(tz='Etc/UTC')
+
+        self.assertEqual('Etc/UTC', dt.timezone_name)

tests/tz_tests/test_loader.py

@@ -30,3 +30,8 @@ def test_load_from_file_invalid(self):
         local_path = os.path.join(os.path.split(__file__)[0], '..')
         tz_file = os.path.join(local_path, 'fixtures', 'tz', 'NOT_A_TIMEZONE')
         self.assertRaises(ValueError, Loader.load_from_file, tz_file)
+
+    def test_set_transitions_for_no_transition_database_file(self):
+        tz = Loader.load('Etc/UTC')
+
+        self.assertEqual(1, len(tz[0]))