Update ESLO.py

ESLO.py

@@ -325,7 +325,7 @@ class ESLO(datasets.GeneratorBasedBuilder):
             return ' '.join(match.group(1))
 
         text = re.sub(r"\bNPERS\b", "", text)
-        text = re.sub('\bOK\b', 'ok', text)
+        text = re.sub(r'\bOK\b', 'ok', text)
         text = re.sub(r'\b([A-Z]+)\b', replace_uppercase, text)
         if not self.config.hesitation:
             text = re.sub(r"(euh)|(hm)|(\b\w*\-\s)", "", text)