Update whatsnew for v1.4.1 with regression in read_sql incorrectly requiring SQLAlchemy

dob9601 · jrandall · jrandall · commit 89c4371d662a · 2022-01-31T12:24:31.000Z
Co-authored-by: Daniel O'Brien &lt;daniel.o'brien@genomicsplc.com&gt;
Co-authored-by: Joshua C. Randall &lt;jcrandall@alum.mit.edu&gt;
diff --git a/doc/source/whatsnew/v1.4.1.rst b/doc/source/whatsnew/v1.4.1.rst
@@ -18,6 +18,7 @@ Fixed regressions
 - Regression in :func:`.assert_frame_equal` not respecting ``check_flags=False`` (:issue:`45554`)
 - Regression in :meth:`Series.fillna` with ``downcast=False`` incorrectly downcasting ``object`` dtype (:issue:`45603`)
 - Regression in :meth:`DataFrame.loc.__setitem__` losing :class:`Index` name if :class:`DataFrame` was empty before (:issue:`45621`)
+- Regression in :func:`read_sql` with a DBAPI2 connection that is not an instance of ``sqlite3.Connection`` incorrectly requiring SQLAlchemy be installed (:issue:`45660`)
 -
 
 .. ---------------------------------------------------------------------------

Original file line number	Diff line number	Diff line change
`@@ -18,6 +18,7 @@ Fixed regressions`
`18`	`18`	- Regression in :func:`.assert_frame_equal` not respecting ``check_flags=False`` (:issue:`45554`)
`19`	`19`	- Regression in :meth:`Series.fillna` with ``downcast=False`` incorrectly downcasting ``object`` dtype (:issue:`45603`)
`20`	`20`	- Regression in :meth:`DataFrame.loc.__setitem__` losing :class:`Index` name if :class:`DataFrame` was empty before (:issue:`45621`)
	`21`	+- Regression in :func:`read_sql` with a DBAPI2 connection that is not an instance of ``sqlite3.Connection`` incorrectly requiring SQLAlchemy be installed (:issue:`45660`)
`21`	`22`	`-`
`22`	`23`
`23`	`24`	`.. ---------------------------------------------------------------------------`