Fix file form check

1 files changed, 7 insertions, 7 deletions

diff --git a/chimere/forms.py b/chimere/forms.py
index 2cf463f..2380f3c 100644
--- a/chimere/forms.py
+++ b/chimere/forms.py
@@ -131,17 +131,17 @@ class ImporterAdminForm(forms.ModelForm):
         Verify that only one type of source is provided
         Verify that shapefiles are zipped
         '''
-        if self.cleaned_data['importer_type'] == 'SHP' and \
-           not self.cleaned_data['zipped']:
+        if self.cleaned_data.get('importer_type') == 'SHP' and \
+           not self.cleaned_data.get('zipped'):
             raise forms.ValidationError(_(u"Shapefiles must be provided in a "\
                                           u"zipped archive."))
-        if self.cleaned_data['source'] and \
-           self.cleaned_data['source_file']:
+        if self.cleaned_data.get('source') and \
+           self.cleaned_data.get('source_file'):
             raise forms.ValidationError(_(u"You have to set \"source\" or "
                                           u"\"source file\" but not both."))
-        if not self.cleaned_data['source'] and \
-           not self.cleaned_data['source_file'] and \
-           self.cleaned_data['importer_type'] != 'OSM':
+        if not self.cleaned_data.get('source') and \
+           not self.cleaned_data.get('source_file') and \
+           self.cleaned_data.get('importer_type') != 'OSM':
             raise forms.ValidationError(_(u"You have to set \"source\" or "
                                           u"\"source file\"."))
         return self.cleaned_data