mark chat_open and effective start/end fields as allowed to be blank

diff --git a/emissions/models.py b/emissions/models.py
index 5d0576a9b4bb37550584094e078b87848e038c07..79cb6a526463b2b0c132f8ed0756c733e3bf0840 100644 (file)
--- a/emissions/models.py
+++ b/emissions/models.py
@@ -131,7 +131,7 @@ class Emission(models.Model):
     image = models.ImageField(_('Image'),
             upload_to=get_emission_image_path, max_length=250, null=True, blank=True)
 
-    chat_open = models.DateTimeField(null=True)
+    chat_open = models.DateTimeField(null=True, blank=True)
 
     # denormalized from Focus
     got_focus = models.DateTimeField(default=None, null=True, blank=True)
@@ -302,8 +302,8 @@ class Episode(models.Model):
     image = models.ImageField(_('Image'),
             upload_to=get_episode_image_path, max_length=250, null=True, blank=True)
 
-    effective_start = models.DateTimeField(null=True)
-    effective_end = models.DateTimeField(null=True)
+    effective_start = models.DateTimeField(null=True, blank=True)
+    effective_end = models.DateTimeField(null=True, blank=True)
 
     # denormalized from Focus
     got_focus = models.DateTimeField(default=None, null=True, blank=True)