increase coverage

src/dabmodel/__init__.py

@@ -30,4 +30,5 @@ from .model import (
     FunctionForbidden,
     FrozenDABField,
     InvalidFeatureInheritance,
+    FeatureNotBound,
 )

src/dabmodel/__metadata__.py

@@ -15,20 +15,26 @@ import warnings
 
 try:  # pragma: no cover
     __version__ = version("dabmodel")
-except PackageNotFoundError: # pragma: no cover
-    warnings.warn("can not read __version__, assuming local test context, setting it to ?.?.?")
+except PackageNotFoundError:  # pragma: no cover
+    warnings.warn(
+        "can not read __version__, assuming local test context, setting it to ?.?.?"
+    )
     __version__ = "?.?.?"
 
 try:  # pragma: no cover
     dist = distribution("dabmodel")
     __Summuary__ = dist.metadata["Summary"]
 except PackageNotFoundError:  # pragma: no cover
-    warnings.warn('can not read dist.metadata["Summary"], assuming local test context, setting it to <dabmodel description>')
+    warnings.warn(
+        'can not read dist.metadata["Summary"], assuming local test context, setting it to <dabmodel description>'
+    )
     __Summuary__ = "dabmodel description"
 
 try:  # pragma: no cover
     dist = distribution("dabmodel")
     __Name__ = dist.metadata["Name"]
 except PackageNotFoundError:  # pragma: no cover
-    warnings.warn('can not read dist.metadata["Name"], assuming local test context, setting it to <dabmodel>')
+    warnings.warn(
+        'can not read dist.metadata["Name"], assuming local test context, setting it to <dabmodel>'
+    )
     __Name__ = "dabmodel"