Fix: typo process_duration (#8696)

### What problem does this PR solve?

Fix typo process_duration.

### Type of change

- [x] Documentation Update
- [x] Refactoring

sdk/python/ragflow_sdk/modules/document.py

@@ -41,7 +41,7 @@ class Document(Base):
         self.progress = 0.0
         self.progress_msg = ""
         self.process_begin_at = None
-        self.process_duation = 0.0
+        self.process_duration = 0.0
         self.run = "0"
         self.status = "1"
         for k in list(res_dict.keys()):

sdk/python/test/test_http_api/test_file_management_within_dataset/test_parse_documents.py

@@ -46,7 +46,7 @@ def validate_document_details(auth, dataset_id, document_ids):
         doc = res["data"]["docs"][0]
         assert doc["run"] == "DONE"
         assert len(doc["process_begin_at"]) > 0
-        assert doc["process_duation"] > 0
+        assert doc["process_duration"] > 0
         assert doc["progress"] > 0
         assert "Task done" in doc["progress_msg"]
 

sdk/python/test/test_http_api/test_file_management_within_dataset/test_stop_parse_documents.py

@@ -28,7 +28,7 @@ def validate_document_parse_done(auth, dataset_id, document_ids):
         doc = res["data"]["docs"][0]
         assert doc["run"] == "DONE"
         assert len(doc["process_begin_at"]) > 0
-        assert doc["process_duation"] > 0
+        assert doc["process_duration"] > 0
         assert doc["progress"] > 0
         assert "Task done" in doc["progress_msg"]
 

sdk/python/test/test_http_api/test_file_management_within_dataset/test_update_document.py

@@ -228,7 +228,7 @@ class TestDocumentsUpdated:
                 marks=pytest.mark.skip(reason="issues/6104"),
             ),
             pytest.param(
-                {"process_duation": 1.0},
+                {"process_duration": 1.0},
                 102,
                 "The input parameters are invalid.",
                 marks=pytest.mark.skip(reason="issues/6104"),