Fix bug in query of empty data

Werneror · Nov 2, 2019 · 6c22975 · 6c22975
1 parent 8cd539e
commit 6c22975
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diff --git a/cidrfield/__init__.py b/cidrfield/__init__.py
@@ -1 +1 @@
-__version__ = '0.1.0'
+__version__ = '0.1.2'
diff --git a/cidrfield/models.py b/cidrfield/models.py
@@ -25,6 +25,8 @@ def to_python(self, value):
             raise ValidationError(error)
 
     def from_db_value(self, value, expression, connection):
+        if value is None or len(value) < 5:
+            return None
         prefix = value[:4]
         value = value[4:-1]    # remove prefix and %
         if prefix == 'IPv4':