diff --git a/setra_client/models.py b/setra_client/models.py
index 54d959492d21ed59630ccdad657bf72e5ebfabd9..2fae30320bf579bb1d3edbbd92010ba261a2a038 100644
--- a/setra_client/models.py
+++ b/setra_client/models.py
@@ -31,20 +31,20 @@ class BaseModel(pydantic.BaseModel):
 
 
 class BatchProgressEnum(Enum):
-  CREATED = 'created'
-  VALIDATION_COMPLETED = 'validation_completed'
-  VALIDATION_FAILED = 'validation_failed'
-  SENT_TO_UBW = 'sent_to_ubw'
-  SEND_TO_UBW_FAILED = 'send_to_ubw_failed'
-  POLLING_COMPLETED = 'polling_completed'
-  POLLING_FAILED = 'polling_failed'
-  UBW_IMPORT_OK = 'ubw_import_ok'
-  UBW_IMPORT_FAILED = 'ubw_import_failed'
-  FETCH_FINAL_VOUCHERNO_COMPLETED = 'fetch_final_voucherno_completed'
-  FETCH_FINAL_VOUCHERNO_FAILED = 'fetch_final_voucherno_failed'
-
-  def __str__(self):
-    return str(self.value)
+    CREATED = 'created'
+    VALIDATION_COMPLETED = 'validation_completed'
+    VALIDATION_FAILED = 'validation_failed'
+    SENT_TO_UBW = 'sent_to_ubw'
+    SEND_TO_UBW_FAILED = 'send_to_ubw_failed'
+    POLLING_COMPLETED = 'polling_completed'
+    POLLING_FAILED = 'polling_failed'
+    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'
+
+    def __str__(self):
+        return str(self.value)
 
 
 class Transaction(BaseModel):