RAAspotter: ignore les codes d'erreur 4 d'OCRmyPDF

RAAspotter.py

@@ -406,7 +406,7 @@ class RAAspotter:
                     self.tor_get_new_id()
                 self.download_file(raa)
                 self.ocr(raa, False)
-            elif (not exc.returncode == 6) and (not exc.returncode == 10):
+            elif (not exc.returncode == 6) and (not exc.returncode == 10) and (not exc.returncode == 4):
                 logger.warning('ATTENTION : Impossible d\'OCRiser le document', exc.returncode, exc.output)
 
     def parse_raa(self, elements, keywords):