be kind and also accept an integer for a float field (so e.g. mymodel.floatfield = 9 is possible, instead of mymodel.floatfield = 9.0)

mongoengine/fields.py

@@ -71,6 +71,7 @@ class FloatField(BaseField):
         return float(value)
 
     def validate(self, value):
+        if isinstance(value, int): value = float(value)
         assert isinstance(value, float)
 
         if self.min_value is not None and value < self.min_value: