fix loosing data during detection filtering

Author: SkalskiP

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "supervision"
-version = "0.26.0rc2"
+version = "0.26.0rc3"
 description = "A set of easy-to-use utils that will come in handy in any Computer Vision project"
 authors = ["Piotr Skalski <[email protected]>"]
 maintainers = [

supervision/detection/core.py

@@ -1203,7 +1203,7 @@ def __getitem__(
         if isinstance(index, str):
             return self.data.get(index)
         if self.is_empty():
-            return Detections.empty()
+            return self
         if isinstance(index, int):
             index = [index]
         return Detections(