diff --git a/docling/models/tesseract_ocr_cli_model.py b/docling/models/tesseract_ocr_cli_model.py
index 5f222399..d694bf58 100644
--- a/docling/models/tesseract_ocr_cli_model.py
+++ b/docling/models/tesseract_ocr_cli_model.py
@@ -266,11 +266,15 @@ class TesseractOcrCliModel(BaseOcrModel):
                             text = row["text"]
                             conf = row["conf"]
 
-                            l, t = float(row["left"]), float(row["top"])
-                            r = l + float(row["width"])
-                            b = t + row["height"]
+                            left, top = float(row["left"]), float(row["top"])
+                            right = left + float(row["width"])
+                            bottom = top + row["height"]
                             bbox = BoundingBox(
-                                l=l, t=t, r=r, b=b, coord_origin=CoordOrigin.TOPLEFT
+                                l=left,
+                                t=top,
+                                r=right,
+                                b=bottom,
+                                coord_origin=CoordOrigin.TOPLEFT,
                             )
                             rect = tesseract_box_to_bounding_rectangle(
                                 bbox,
diff --git a/docling/models/tesseract_ocr_model.py b/docling/models/tesseract_ocr_model.py
index 0de02279..ec29349c 100644
--- a/docling/models/tesseract_ocr_model.py
+++ b/docling/models/tesseract_ocr_model.py
@@ -194,11 +194,15 @@ class TesseractOcrModel(BaseOcrModel):
                             # Extract text within the bounding box
                             text = local_reader.GetUTF8Text().strip()
                             confidence = local_reader.MeanTextConf()
-                            l, t = box["x"], box["y"]
-                            r = l + box["w"]
-                            b = t + box["h"]
+                            left, top = box["x"], box["y"]
+                            right = left + box["w"]
+                            bottom = top + box["h"]
                             bbox = BoundingBox(
-                                l=l, t=t, r=r, b=b, coord_origin=CoordOrigin.TOPLEFT
+                                l=left,
+                                t=top,
+                                r=right,
+                                b=bottom,
+                                coord_origin=CoordOrigin.TOPLEFT,
                             )
                             rect = tesseract_box_to_bounding_rectangle(
                                 bbox,
diff --git a/docling/utils/ocr_utils.py b/docling/utils/ocr_utils.py
index fc8f7743..63f4848a 100644
--- a/docling/utils/ocr_utils.py
+++ b/docling/utils/ocr_utils.py
@@ -54,7 +54,7 @@ def tesseract_box_to_bounding_rectangle(
         coord_origin=CoordOrigin.TOPLEFT,
     )
     if original_offset is not None:
-        if not original_offset.coord_origin is CoordOrigin.TOPLEFT:
+        if original_offset.coord_origin is not CoordOrigin.TOPLEFT:
             msg = f"expected coordinate origin to be {CoordOrigin.TOPLEFT.value}"
             raise ValueError(msg)
         if original_offset is not None:
diff --git a/docling/utils/orientation.py b/docling/utils/orientation.py
index 5055358a..946e55ed 100644
--- a/docling/utils/orientation.py
+++ b/docling/utils/orientation.py
@@ -13,44 +13,44 @@ def rotate_bounding_box(
     # Bounding rectangle start with r_0 at the bottom left whatever the
     # coordinate system. Then other corners are found rotating counterclockwise
     bbox = bbox.to_top_left_origin(im_size[1])
-    l, t, w, h = bbox.l, bbox.t, bbox.width, bbox.height
+    left, top, width, height = bbox.l, bbox.t, bbox.width, bbox.height
     im_h, im_w = im_size
     angle = angle % 360
     if angle == 0:
-        r_x0 = l
-        r_y0 = t + h
-        r_x1 = r_x0 + w
+        r_x0 = left
+        r_y0 = top + height
+        r_x1 = r_x0 + width
         r_y1 = r_y0
-        r_x2 = r_x0 + w
-        r_y2 = r_y0 - h
+        r_x2 = r_x0 + width
+        r_y2 = r_y0 - height
         r_x3 = r_x0
-        r_y3 = r_y0 - h
+        r_y3 = r_y0 - height
     elif angle == 90:
-        r_x0 = im_w - (t + h)
-        r_y0 = l
+        r_x0 = im_w - (top + height)
+        r_y0 = left
         r_x1 = r_x0
-        r_y1 = r_y0 + w
-        r_x2 = r_x0 + h
-        r_y2 = r_y0 + w
+        r_y1 = r_y0 + width
+        r_x2 = r_x0 + height
+        r_y2 = r_y0 + width
         r_x3 = r_x0
-        r_y3 = r_y0 + w
+        r_y3 = r_y0 + width
     elif angle == 180:
-        r_x0 = im_h - l
-        r_y0 = im_w - (t + h)
-        r_x1 = r_x0 - w
+        r_x0 = im_h - left
+        r_y0 = im_w - (top + height)
+        r_x1 = r_x0 - width
         r_y1 = r_y0
-        r_x2 = r_x0 - w
-        r_y2 = r_y0 + h
+        r_x2 = r_x0 - width
+        r_y2 = r_y0 + height
         r_x3 = r_x0
-        r_y3 = r_y0 + h
+        r_y3 = r_y0 + height
     elif angle == 270:
-        r_x0 = t + h
-        r_y0 = im_h - l
+        r_x0 = top + height
+        r_y0 = im_h - left
         r_x1 = r_x0
-        r_y1 = r_y0 - w
-        r_x2 = r_x0 - h
-        r_y2 = r_y0 - w
-        r_x3 = r_x0 - h
+        r_y1 = r_y0 - width
+        r_x2 = r_x0 - height
+        r_y2 = r_y0 - width
+        r_x3 = r_x0 - height
         r_y3 = r_y0
     else:
         msg = (