one inline for format

diff --git a/telemeta/forms/media.py b/telemeta/forms/media.py
index c47ce54cbb5cbef5b117b0537697bda146a65fea..28de7191b2c4d0fb0fb29db43e293733e19c7b5f 100644 (file)
--- a/telemeta/forms/media.py
+++ b/telemeta/forms/media.py
@@ -154,6 +154,7 @@ class ItemKeywordInline(InlineFormSet):
 class ItemFormatInline(InlineFormSet):
 
     model = Format
+    max_num = 1
 
 
 class ItemIdentifierInline(InlineFormSet):
@@ -165,4 +166,3 @@ class ItemIdentifierInline(InlineFormSet):
 class EpubPasswordForm(forms.Form):
 
     password = forms.CharField(label=_('password'))
-