And make sure that we return a schedule

Rather than just create it.

metrik/__init__.py

@@ -1,2 +1,2 @@
-__version__ = '0.2.1'
+__version__ = '0.2.2'
 __release__ = __version__

metrik/batch.py

@@ -6,6 +6,7 @@ from dateutil.parser import parse
 
 from metrik.flows.rates_flow import LiborFlow
 from metrik.flows.equities_flow import EquitiesFlow
+from metrik import __version__
 
 flows = {
     'LiborFlow': LiborFlow,
@@ -48,6 +49,8 @@ def handle_commandline():
     parser.add_argument('-f', '--flow', dest='flow', help='The flow to be run')
     parser.add_argument('-l', '--list-flows', dest='list', action='store_true',
                         help='List all available flows to be run.')
+    parser.add_argument('-v', '--version', action='version',
+                        version=__version__)
     args = parser.parse_args()
 
     if args.cron:

metrik/flows/equities_flow.py

@@ -5,7 +5,7 @@ from metrik.tasks.nasdaq import NasdaqETFList, NasdaqCompanyList
 class EquitiesFlow(Flow):
     @staticmethod
     def get_schedule():
-        MarketClose()
+        return MarketClose()
 
     def _requires(self):
         return [NasdaqETFList(current_datetime=self.present, live=self.live),

test/test_batch.py

@@ -0,0 +1,13 @@
+from unittest import TestCase
+from datetime import datetime
+
+from metrik.batch import flows
+
+
+class BatchTest(TestCase):
+    def test_flows_return_schedule(self):
+        present = datetime.now()
+        live = False
+        for flow_name, flow_class in flows.items():
+            assert flow_class(present=present,
+                              live=live).get_schedule() is not None