format doc

diff --git a/doc/build/changelog/unreleased_14/6646.rst b/doc/build/changelog/unreleased_14/6646.rst
index 76d4aade3e1890f5f367533cd003cec72cdf7d44..c10a12e0ff37ecc5ec562ed32c5c241d92dedb12 100644 (file)
--- a/doc/build/changelog/unreleased_14/6646.rst
+++ b/doc/build/changelog/unreleased_14/6646.rst
@@ -1,5 +1,5 @@
 .. change::
-    :tags: usecase, type
+    :tags: usecase, sql
     :tickets: 6646
 
     Add a impl parameter to :class:`.PickleType` constructor, so the user

diff --git a/lib/sqlalchemy/sql/sqltypes.py b/lib/sqlalchemy/sql/sqltypes.py
index b700445f395b3143538513167a7be067d84ee1a2..ef0944c99edc9813eeb026b319e20fe0634973d0 100644 (file)
--- a/lib/sqlalchemy/sql/sqltypes.py
+++ b/lib/sqlalchemy/sql/sqltypes.py
@@ -1803,9 +1803,10 @@ class PickleType(TypeDecorator):
           the Python "equals" operator is used to compare values.
 
         :param impl: Any implementation class that support storing
-          binary object. (e.g. :class: `.mysql.LONGBLOB`).
-          If let as ``None``, the impl would use class's default impl
+          binary object. (e.g. :class: `_mysql.LONGBLOB`).
+          If left as ``None``, the impl would use class's default impl
           `:class:`.LargeBinary`
+          .. versionadded:: 1.4.20
 
         """
         self.protocol = protocol

diff --git a/test/sql/test_types.py b/test/sql/test_types.py
index 942c0c5874836a1f7cd7607fb4a319b72631f05e..4b5f74488a5d4d9239307e86f4b7687b38e15c5f 100644 (file)
--- a/test/sql/test_types.py
+++ b/test/sql/test_types.py
@@ -3810,6 +3810,8 @@ class PickleTest(fixtures.TestBase):
             assert p1.compare_values(p1.copy_value(obj), obj)
 
     def test_customized_impl(self):
+        """test #6646"""
+
         p1 = PickleType()
         assert isinstance(p1.impl, LargeBinary)