Update FFC files

tests/test_ffc.py

@@ -1,12 +1,19 @@
 from __future__ import annotations
-from orisys import FFCFrameProcessor
 
 import argparse
+import sys
 from pathlib import Path
 
 import cv2
 
-from roi_polygon_tool import load_roi_mask, select_polygon_roi
+REPO_ROOT = Path(__file__).resolve().parents[1]
+SRC_ROOT = REPO_ROOT / "src"
+for path in (REPO_ROOT, SRC_ROOT):
+    if str(path) not in sys.path:
+        sys.path.insert(0, str(path))
+
+from orisys import FFCFrameProcessor
+from tools.ffc.roi_polygon_tool import load_roi_mask, select_polygon_roi
 
 
 def parse_source(value):