caught exception in trying to censor

app/main.py

@@ -671,12 +671,31 @@ def censor_pdf_ocr(
         censor_status_datas[file_id]["done"] = False
         censor_status_update_events[file_id].set()
         # THis Costs us dearly
-        bitmap = page.get_pixmap(dpi=400)
+        try:
-        pdf_bytes = bitmap.pdfocr_tobytes(
+            bitmap = page.get_pixmap(dpi=400)
-            language="deu",
+            pdf_bytes = bitmap.pdfocr_tobytes(
-            tessdata="/usr/share/tessdata/",  # tesseract needs to be installed; this is the path to thetesseract files
+                language="deu",
-        )
+                tessdata="/usr/share/tessdata/",  # tesseract needs to be installed; this is the path to thetesseract files
-        output.insert_pdf(pymupdf.Document(stream=pdf_bytes))
+            )
+            output.insert_pdf(pymupdf.Document(stream=pdf_bytes))
+        except RuntimeError as e:
+            error(
+                f"Error in OCR for document: {destpath}. Error: {e}. Falling back to standard mode."
+            )
+            if i < len(rects) and rects[i] != []:
+                for rect in rects[i]:
+                    prect = pymupdf.Rect(
+                        rect[0] * wfac,
+                        rect[1] * hfac,
+                        (rect[0] + rect[2]) * wfac,
+                        (rect[1] + rect[3]) * hfac,
+                    )
+                    page.add_redact_annot(
+                        prect,
+                        fill=(0, 0, 0),
+                    )
+                page.apply_redactions()
+            output.insert_pdf(page.parent, from_page=page.number, to_page=page.number)
         # End of the costly part
         print(f"Page {i + 1}/{npage}: CENSORING DONE")
     output.save(destpath)