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Changes between Initial Version and Version 1 of Ticket #8795

-              initial
+              v1
 when you have model like this:
+{{{
+#!python
 class FunkcjeProdukt(models.Model):
     funkcja = models.ForeignKey(FunkcjeRodzina)
 …
     class Meta:
         unique_together = ("produkt", "funkcja")
+}}}
 and form from model:
+{{{
+#!python
 class FunkcjeProduktForm(ModelForm):
     wartosc = forms.CharField(widget=forms.TextInput(attrs={'size':'40','class':'formularz'}))
 …
         model = FunkcjeProdukt
         exclude=('produkt','funkcja')
+}}}
+end if you want only edit "wartosc" from existing instance:
+end if you want only edit "wartosc" from existing instance:
+{{{
+#!python
 form_fp = FunkcjeProduktForm(data=request.POST,instance=finst)
 if form_fp.is_valid():
        form_fp.save()
+}}}
 error is throw:
+KeyError at /cms/r_produkt/8/
+'produkt'Request Method:    POST
+{{{
+#!python
+KeyError at /cms/r_produkt/8/'produkt'
+Request Method:    POST
 Request URL:    http://posiflex.com.pl/cms/r_produkt/8/
 Exception Type:    KeyError
 Exception Value:    'produkt'
 Exception Location:    /home/posiflex/django/forms/models.py in validate_unique, line 238
+}}}
 because: