Fix MembershipService.get_current_membership_for_org() bug

So MembershipService.get_current_membership_for_org() doesn't crash
when Subscription.expiration_date is None.

Author: rerb

CHANGELOG.md

@@ -3,6 +3,10 @@
 ## [Unreleased]
 ### Changed
 
+## [1.1.5]
+### Fixed `MembershipService.get_current_membership_for_org()` so it
+doesn't crash when `Subscription.expiration_date` is `None`.
+
 ## [3.3.4] - 2018-02-05
 ### Breaking Changes
 

README.md

@@ -35,9 +35,8 @@ To authenticate and receive a session ID:
 
 To take advantage of a service, for example `subscriptions`:
 
-    ORG_ID = #####
     service = SubscriptionService(self.client)
-    subscription_list = service.get_subscriptions(org_id=ORG_ID)
+    subscription_list = service.get_subscriptions(org_id=1)
 
 ## Running tests
 

membersuite_api_client/memberships/services.py

@@ -15,7 +15,7 @@ class MembershipService(ChunkQueryMixin, object):
 
     def __init__(self, client):
         """
-        Accepts a ConciergeClient to connect with MemberSuite
+        Requires a ConciergeClient to connect with MemberSuite
         """
         self.client = client
 
@@ -28,8 +28,9 @@ def get_current_membership_for_org(self, account_num, verbose=False):
             verbose=verbose)
         # Look for first membership that hasn't expired yet.
         for membership in all_memberships:
-            if membership.expiration_date > datetime.datetime.now():
-                return membership
+            if (membership.expiration_date and
+                membership.expiration_date > datetime.datetime.now()):  # noqa
+                return membership  # noqa
         return None
 
     def get_memberships_for_org(self, account_num, verbose=False):

setup.py

@@ -9,7 +9,7 @@ def read(fname):
 
 
 setup(name='membersuite_api_client',
-      version="1.1.4",
+      version="1.1.5",
       description='MemberSuite API Client',
       author='AASHE',
       author_email='webdev@aashe.org',