From 9503d1bbd1b0592d6951884708c99ca11fb4793e Mon Sep 17 00:00:00 2001
From: "fatih c. akyon" <34196005+fcakyon@users.noreply.github.com>
Date: Sun, 2 Jun 2024 18:41:05 +0300
Subject: [PATCH 1/2] update version (#1050)

---
 sahi/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sahi/__init__.py b/sahi/__init__.py
index 6d7654ffc..29060d1e2 100644
--- a/sahi/__init__.py
+++ b/sahi/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.11.16"
+__version__ = "0.11.17"
 
 from sahi.annotation import BoundingBox, Category, Mask
 from sahi.auto_model import AutoDetectionModel

From 8c07a06b31d3e3872ea6294adc64b7d43658c92b Mon Sep 17 00:00:00 2001
From: Hongyuan Zhang <66273343+Alias-z@users.noreply.github.com>
Date: Sun, 2 Jun 2024 23:43:39 +0200
Subject: [PATCH 2/2] Fix `TypeError: 'GeometryCollection' object is not
 subscriptable` when slicing COCO (#1047)

---
 sahi/utils/coco.py | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/sahi/utils/coco.py b/sahi/utils/coco.py
index e84f2f3d3..942561cb7 100644
--- a/sahi/utils/coco.py
+++ b/sahi/utils/coco.py
@@ -14,7 +14,7 @@
 from typing import Dict, List, Optional, Set, Union
 
 import numpy as np
-from shapely import MultiPolygon
+from shapely import GeometryCollection, MultiPolygon, Polygon
 from shapely.validation import make_valid
 from tqdm import tqdm
 
@@ -224,12 +224,27 @@ def __init__(
         self._shapely_annotation = shapely_annotation
 
     def get_sliced_coco_annotation(self, slice_bbox: List[int]):
+        def filter_polygons(geometry):
+            """
+            Filters out and returns only Polygon or MultiPolygon components of a geometry.
+            If geometry is a Polygon, it converts it into a MultiPolygon.
+            If it's a GeometryCollection, it filters to create a MultiPolygon from any Polygons in the collection.
+            Returns an empty MultiPolygon if no Polygon or MultiPolygon components are found.
+            """
+            if isinstance(geometry, Polygon):
+                return MultiPolygon([geometry])
+            elif isinstance(geometry, MultiPolygon):
+                return geometry
+            elif isinstance(geometry, GeometryCollection):
+                polygons = [geom for geom in geometry.geoms if isinstance(geom, Polygon)]
+                return MultiPolygon(polygons) if polygons else MultiPolygon()
+            return MultiPolygon()
+
         shapely_polygon = box(slice_bbox[0], slice_bbox[1], slice_bbox[2], slice_bbox[3])
         samp = self._shapely_annotation.multipolygon
         if not samp.is_valid:
             valid = make_valid(samp)
-            if not isinstance(valid, MultiPolygon):
-                valid = MultiPolygon([valid])
+            valid = filter_polygons(valid)
             self._shapely_annotation.multipolygon = valid
         intersection_shapely_annotation = self._shapely_annotation.get_intersection(shapely_polygon)
         return CocoAnnotation.from_shapely_annotation(