fix type hint

tests/test_gltf.py

@@ -1068,6 +1068,7 @@ def test_no_indices(self):
         mesh = g.get_mesh("Mesh_PrimitiveMode_04.gltf")
         assert len(mesh.triangles) == 2
 
+
 if __name__ == "__main__":
     g.trimesh.util.attach_to_log()
     g.unittest.main()

trimesh/exchange/gltf.py

@@ -17,7 +17,7 @@
 from ..constants import log, tol
 from ..resolvers import Resolver, ZipResolver
 from ..scene.cameras import Camera
-from ..typed import NDArray, Optional, Stream
+from ..typed import Mapping, NDArray, Optional, Stream, Union
 from ..util import triangle_strips_to_faces, unique_name
 from ..visual.gloss import specular_to_pbr
 
@@ -50,6 +50,9 @@
     }
 }
 
+# we can accept dict resolvers
+ResolverLike = Union[Resolver, Mapping]
+
 # GL geometry modes
 _GL_LINES = 1
 _GL_POINTS = 0
@@ -264,7 +267,7 @@ def export_glb(
 
 def load_gltf(
     file_obj: Optional[Stream] = None,
-    resolver: Optional[Resolver] = None,
+    resolver: Optional[ResolverLike] = None,
     ignore_broken: bool = False,
     merge_primitives: bool = False,
     skip_materials: bool = False,
@@ -339,7 +342,7 @@ def load_gltf(
 
 def load_glb(
     file_obj: Stream,
-    resolver: Optional[Resolver] = None,
+    resolver: Optional[ResolverLike] = None,
     ignore_broken: bool = False,
     merge_primitives: bool = False,
     skip_materials: bool = False,

trimesh/typed.py

@@ -5,6 +5,7 @@
     IO,
     Any,
     BinaryIO,
+    Mapping,
     Optional,
     TextIO,
     Union,
@@ -58,4 +59,5 @@
     "Tuple",
     "float64",
     "int64",
+    "Mapping",
 ]