allow .whl files for spacy nlp pipeline contributions

app/contributions/spacy_nlp_pipeline_models/forms.py

@@ -16,8 +16,8 @@ class CreateSpaCyNLPPipelineModelForm(ContributionBaseForm):
     )
 
     def validate_spacy_model_file(self, field):
-        if not field.data.filename.lower().endswith('.tar.gz'):
-            raise ValidationError('.tar.gz files only!')
+        if not field.data.filename.lower().endswith(('.tar.gz', ('.whl'))):
+            raise ValidationError('.tar.gz or .whl files only!')
 
     def __init__(self, *args, **kwargs):
         if 'prefix' not in kwargs:

app/templates/contributions/spacy_nlp_pipeline_models/create.html.j2

@@ -42,7 +42,7 @@
             {{ form.hidden_tag() }}
             <div class="row">
               <div class="col s12 l5">
-                {{ wtf.render_field(form.spacy_model_file, accept='.tar.gz', placeholder='Choose a .tar.gz file') }}
+                {{ wtf.render_field(form.spacy_model_file, accept='.tar.gz,.whl', placeholder='Choose a .tar.gz or .whl file') }}
               </div>
               <div class="col s12 l7">
                 {{ wtf.render_field(form.title, material_icon='title') }}