update changelog and add tests

CHANGES.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
 Note: Minor version `0.X.0` update might break the API, It's recommended to pin `tipg` to minor version: `tipg>=0.1,<0.2`
 
+## [0.5.4] - 2023-12-19
+
+- Fix decimal error for streaming responses (author @RemcoMeeuwissen, https://github.com/developmentseed/tipg/pull/148)
+
 ## [0.5.3] - 2023-11-29
 
 - add Postgres `date` type as valid datetime column type

tests/routes/test_items.py

@@ -865,6 +865,21 @@ def test_items_env_table_config_main(app, monkeypatch):
     assert isinstance(body["features"][0]["properties"]["decimal"], str)
     assert isinstance(body["features"][0]["properties"]["numeric"], str)
 
+    response = app.get(
+        "/collections/public.my_data/items",
+        params={"limit": 1},
+        headers={"accept": "application/geo+json-seq"},
+    )
+    assert response.status_code == 200
+    assert response.headers["content-type"] == "application/geo+json-seq"
+    body = response.text.splitlines()
+
+    assert len(body) == 1
+    feature = json.loads(body[0])
+    # Make sure that Postgres Decimal and Numeric are converted to str
+    assert isinstance(feature["properties"]["decimal"], str)
+    assert isinstance(feature["properties"]["numeric"], str)
+
     response = app.get(
         "/collections/public.my_data/items?datetime=2004-10-19T10:23:54Z"
     )