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Fix prefix increment for polymorphic forms #274

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Fix prefix increment for polymorphic forms #274

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14 changes: 7 additions & 7 deletions nested_admin/nested.py
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Original file line number Diff line number Diff line change
Expand Up @@ -368,13 +368,6 @@ def _create_formsets(self, request, obj, change):
is_empty_form = True
InlineFormSet = inline.get_formset(request, form_obj)

prefix = "{}-{}".format(
form_prefix, InlineFormSet.get_default_prefix()
)
prefixes[prefix] = prefixes.get(prefix, 0) + 1
if prefixes[prefix] != 1:
prefix = "{}-{}".format(prefix, prefixes[prefix])

# Check if we're dealing with a polymorphic instance, and if
# so, skip inlines for other child models
if hasattr(form_obj, "get_real_instance"):
Expand All @@ -385,6 +378,13 @@ def _create_formsets(self, request, obj, change):
if not isinstance(form_obj, inline.parent_model):
continue

prefix = "{}-{}".format(
form_prefix, InlineFormSet.get_default_prefix()
)
prefixes[prefix] = prefixes.get(prefix, 0) + 1
if prefixes[prefix] != 1:
prefix = "{}-{}".format(prefix, prefixes[prefix])

formset_params = {
"instance": form_obj,
"prefix": prefix,
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