Fix typo

setra_client/models.py

@@ -41,7 +41,7 @@ class BatchProgressEnum(Enum):
     UBW_IMPORT_OK = 'ubw_import_ok'
     UBW_IMPORT_FAILED = 'ubw_import_failed'
     FETCH_FINAL_VOUCHERNO_COMPLETED = 'fetch_final_voucherno_completed'
-    6FETCH_FINAL_VOUCHERNO_FAILED = 'fetch_final_voucherno_failed'
+    FETCH_FINAL_VOUCHERNO_FAILED = 'fetch_final_voucherno_failed'
 
     def __str__(self):
         return str(self.value)