diff --git a/pyroengine/core.py b/pyroengine/core.py
index f7ca300c..83eebaab 100644
--- a/pyroengine/core.py
+++ b/pyroengine/core.py
@@ -62,4 +62,4 @@ def __repr__(self) -> str:
         repr_str = f"{self.__class__.__name__}("
         for cam in self.cameras:
             repr_str += f"\n\t{repr(cam)},"
-        return repr_str + "\n)"
\ No newline at end of file
+        return repr_str + "\n)"
diff --git a/pyroengine/engine.py b/pyroengine/engine.py
index d7c7c34b..845b7c1e 100644
--- a/pyroengine/engine.py
+++ b/pyroengine/engine.py
@@ -447,4 +447,4 @@ def _clean_local_backup(self, backup_cache) -> None:
             if s > self._backup_size:
                 shutil.rmtree(folder)
             else:
-                break
\ No newline at end of file
+                break
diff --git a/pyroengine/utils.py b/pyroengine/utils.py
index d30ace2a..d6134363 100644
--- a/pyroengine/utils.py
+++ b/pyroengine/utils.py
@@ -108,4 +108,4 @@ def nms(boxes: np.ndarray, overlapThresh: int = 0):
         if np.any(rr[i, temp_indices] > overlapThresh):
             indices = indices[indices != i]
 
-    return boxes[indices]
\ No newline at end of file
+    return boxes[indices]
diff --git a/pyroengine/vision.py b/pyroengine/vision.py
index 16638d08..01df2b00 100644
--- a/pyroengine/vision.py
+++ b/pyroengine/vision.py
@@ -96,4 +96,4 @@ def __call__(self, pil_img: Image.Image, occlusion_mask: Optional[np.ndarray] =
 
             y = y[keep]
 
-        return y
\ No newline at end of file
+        return y