Fix crash when no object result is returned (due to bad image or otherwise) (#49)

Author: NickM-27

Makefile

@@ -1,7 +1,7 @@
 default_target: local
 
 COMMIT_HASH := $(shell git log -1 --pretty=format:"%h"|tail -1)
-VERSION = 3.0.2
+VERSION = 3.0.4
 
 local:
 	cd web; flutter build web;

swatch/detection.py

@@ -108,7 +108,7 @@ def __handle_detections__(self, detection_result: Dict[str, Any]) -> None:
                     self.obj_data[non_unique_id]["id"] = unique_id
                     self.__handle_db__("new", non_unique_id)
                 else:
-                    if object_result["result"]:
+                    if object_result.get("result", False):
                         self.__handle_db__("update", non_unique_id)
                     else:
                         self.__handle_db__("end", non_unique_id)