Merge branch 'main' into feat/tool-plugin-oauth

api/core/workflow/nodes/agent/agent_node.py

@@ -39,6 +39,10 @@ class AgentNode(ToolNode):
     _node_data_cls = AgentNodeData  # type: ignore
     _node_type = NodeType.AGENT
 
+    @classmethod
+    def version(cls) -> str:
+        return "1"
+
     def _run(self) -> Generator:
         """
         Run the agent node

api/core/workflow/nodes/document_extractor/node.py

@@ -451,7 +451,7 @@ def _extract_text_from_excel(file_content: bytes) -> str:
                 df = df.applymap(lambda x: " ".join(str(x).splitlines()) if isinstance(x, str) else x)  # type: ignore
 
                 # Combine multi-line text in column names into a single line
-                df.columns = pd.Index([" ".join(col.splitlines()) for col in df.columns])
+                df.columns = pd.Index([" ".join(str(col).splitlines()) for col in df.columns])
 
                 # Manually construct the Markdown table
                 markdown_table += _construct_markdown_table(df) + "\n\n"

api/core/workflow/nodes/knowledge_retrieval/knowledge_retrieval_node.py

@@ -71,6 +71,10 @@ class KnowledgeRetrievalNode(LLMNode):
     _node_data_cls = KnowledgeRetrievalNodeData  # type: ignore
     _node_type = NodeType.KNOWLEDGE_RETRIEVAL
 
+    @classmethod
+    def version(cls):
+        return "1"
+
     def _run(self) -> NodeRunResult:  # type: ignore
         node_data = cast(KnowledgeRetrievalNodeData, self.node_data)
         # extract variables

api/core/workflow/nodes/question_classifier/question_classifier_node.py

@@ -40,6 +40,10 @@ class QuestionClassifierNode(LLMNode):
     _node_data_cls = QuestionClassifierNodeData  # type: ignore
     _node_type = NodeType.QUESTION_CLASSIFIER
 
+    @classmethod
+    def version(cls):
+        return "1"
+
     def _run(self):
         node_data = cast(QuestionClassifierNodeData, self.node_data)
         variable_pool = self.graph_runtime_state.variable_pool