Merge remote-tracking branch 'upstream/master' into GH10285

pandas-dev · jreback · Dec 23, 2020 · Oct 31, 2020 · Nov 1, 2020 · Nov 13, 2020
commit 24308c4d66b3df95669b4379353d3819e645170f
diff --git a/doc/source/whatsnew/v1.2.0.rst b/doc/source/whatsnew/v1.2.0.rst
@@ -308,6 +308,7 @@ Other enhancements
 - Improved error reporting for subsetting columns of a :class:`.DataFrameGroupBy` with ``axis=1`` (:issue:`37725`)
 - Implement method ``cross`` for :meth:`DataFrame.merge` and :meth:`DataFrame.join` (:issue:`5401`)
 - :func:`pan
F83B
das.read_sql_query` now accepts a ``dtype`` argument to cast the columnar data from the SQL database based on user input (:issue:`10285`)
+- When :func:`read_csv/sas/json` are called with ``chuncksize``/``iterator`` they can be used in a ``with`` statement as they return context-managers (:issue:`38225`)
 
 .. ---------------------------------------------------------------------------
 

diff --git a/pandas/io/sql.py b/pandas/io/sql.py
@@ -7,7 +7,7 @@
 from datetime import date, datetime, time
 from functools import partial
 import re
-from typing import Dict, Iterator, Optional, Union, overload
+from typing import Dict, Iterator, List, Optional, Union, overload
 import warnings
 
 import numpy as np