Update extract_table_names.py

jameswinegar · andialbrecht · commit 91cfc1bfcd86 · 2019-07-18T08:17:41.000+02:00
PEP 479 Python 3.5+ raises an exception for StopIteration instead of a null return.
diff --git a/examples/extract_table_names.py b/examples/extract_table_names.py
@@ -35,7 +35,7 @@ def extract_from_part(parsed):
                 for x in extract_from_part(item):
                     yield x
             elif item.ttype is Keyword:
-                raise StopIteration
+                return
             else:
                 yield item
         elif item.ttype is Keyword and item.value.upper() == 'FROM':
