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-rw-r--r--django/forms/forms.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/django/forms/forms.py b/django/forms/forms.py
index 0b434b24f8..e2e7c645ff 100644
--- a/django/forms/forms.py
+++ b/django/forms/forms.py
@@ -4,7 +4,6 @@ Form classes
import copy
from collections import OrderedDict
-from contextlib import suppress
from django.core.exceptions import NON_FIELD_ERRORS, ValidationError
# BoundField is imported for backwards compatibility in Django 1.9
@@ -126,8 +125,10 @@ class BaseForm:
return
fields = OrderedDict()
for key in field_order:
- with suppress(KeyError): # ignore unknown fields
+ try:
fields[key] = self.fields.pop(key)
+ except KeyError: # ignore unknown fields
+ pass
fields.update(self.fields) # add remaining fields in original order
self.fields = fields