Add check in schema processor

frictionlessdata · Mar 29, 2016 · d906027 · d906027
1 parent 6e0b115
commit d906027
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/goodtables/processors/schema.py b/goodtables/processors/schema.py
@@ -269,7 +269,8 @@ def run_row(self, headers, index, row):
                             if self.fail_fast:
                                 return valid, headers, index, row
 
-                        if constraints.get('unique') is True:
+                        if constraints is not None and \
+                            constraints.get('unique') is True:
 
                             if not self._uniques.get(column_name):
                                 self._uniques[column_name] = set([column_value])