hocr: fix unbound local

src/ocrmypdf/hocrtransform/_hocr.py

@@ -221,6 +221,7 @@ class HocrTransform:
             if not found_lines:
                 # Tesseract did not report any lines (just words)
                 root = self.hocr.find(self._child_xpath('div', 'ocr_page'))
+                direction = self._get_text_direction(root)
                 self._do_line(
                     canvas,
                     root,
@@ -376,8 +377,6 @@ class HocrTransform:
                 text.text_transform(Matrix(-1, 0, 0, -1, box.llx + box.width, 0))
             text.horiz_scale(100 * box.width / font_width)
             text.show(self._font.text_encode(elemtxt))
-            # elif text_direction == TextDirection.RTL:
-            #     text.show(self._font.text_encode(elemtxt[::-1]))
 
         # Get coordinates of the next word (if there is one)
         hocr_next_box = (