Test and docs for timedelta support, refs #522

docs/python-api.rst

@@ -1217,6 +1217,7 @@ If you pass a Python type, it will be mapped to SQLite types as shown here::
     datetime.datetime: "TEXT"
     datetime.date: "TEXT"
     datetime.time: "TEXT"
+    datetime.timedelta: "TEXT"
 
     # If numpy is installed
     np.int8: "INTEGER"

tests/test_create.py

@@ -144,6 +144,10 @@ def test_create_table_with_not_null(fresh_db):
         ),
         ({"uuid": uuid.uuid4()}, [{"name": "uuid", "type": "TEXT"}]),
         ({"foo[bar]": 1}, [{"name": "foo_bar_", "type": "INTEGER"}]),
+        (
+            {"timedelta": datetime.timedelta(hours=1)},
+            [{"name": "timedelta", "type": "TEXT"}],
+        ),
     ),
 )
 def test_create_table_from_example(fresh_db, example, expected_columns):