adding form model choice

rowers/forms.py

@@ -724,6 +724,11 @@ class FitnessFitForm(forms.Form):
         ('rscore','rScore')
     )
 
+    modelchoices = (
+        ('banister','Banister Impulse-Response model'),
+        ('tsb','Coggan Training Stress Balance model'),
+    )
+
     fitnesstest = forms.IntegerField(required=True,initial=20,
                                      label='Test Duration (minutes)')
 
@@ -738,6 +743,11 @@ class FitnessFitForm(forms.Form):
                                       initial='rscore',
                                       label='Workload Metric')
 
+    modelchoices = forms.ChoiceField(required=True,
+                                     choices=modelchoices,
+                                     initial='tsb',
+                                     label='Model to use')
+
     # temporary
     k1 = forms.FloatField(required=True,initial=1.0,
                           label='k1')