MLM bugfixes

CHANGELOG.md

@@ -8,6 +8,15 @@
   media type value for these types and new media types COPC and VND_PMTILES
   ([#1554](https://github.com/stac-utils/pystac/pull/1554))
 
+### Fixed
+
+- `extensions.mlm` various fixes [#1556](https://github.com/stac-utils/pystac/pull/1556)
+  - Fixed ResizeType typos `interpolation-nearest` and `interpolation-linear` 
+  - Fixed displaying the correct property in error message for `ResultStructure.data_type` 
+  - Fixed `ValueScaling.maximum` setter to pop when None is given 
+  - Fixed `ModelInput.value_scaling` to be `list[ValueScaling]` instead of `ValueScaling`
+  - Fixed missing version migrations
+
 ## [v1.13.0] - 2025-04-15
 
 ### Added

pyproject.toml

@@ -53,6 +53,7 @@ dev = [
     "types-jsonschema>=4.23.0.20240813",
     "types-orjson>=3.6.2",
     "types-python-dateutil>=2.9.0.20241003",
+    "types-requests>=2.32.0.20250328",
     "types-urllib3>=1.26.25.14",
     "virtualenv>=20.26.6",
 ]

pystac/extensions/ext.py

@@ -406,7 +406,7 @@ def file(self) -> FileExtension[Asset]:
 
     @property
     def mlm(self) -> AssetGeneralMLMExtension[Asset] | AssetDetailedMLMExtension:
-        if "mlm:name" in self.stac_object.extra_fields:
+        if "mlm:architecture" in self.stac_object.extra_fields:
             return AssetDetailedMLMExtension.ext(self.stac_object)
         else:
             return AssetGeneralMLMExtension.ext(self.stac_object)