diff --git a/src/backend/base/langflow/base/agents/events.py b/src/backend/base/langflow/base/agents/events.py
index 62c130503..3d9cb4359 100644
--- a/src/backend/base/langflow/base/agents/events.py
+++ b/src/backend/base/langflow/base/agents/events.py
@@ -220,10 +220,6 @@ async def handle_on_tool_end(
             # Update the map reference
             tool_blocks_map[tool_key] = updated_tool_content
 
-            for content in agent_message.content_blocks[0].contents:
-                if isinstance(content, ToolContent):
-                    header_title = content.header.get("title", "N/A") if content.header else "None"
-
         return agent_message, new_start_time
     return agent_message, start_time
 
diff --git a/src/backend/base/langflow/components/processing/dataframe_operations.py b/src/backend/base/langflow/components/processing/dataframe_operations.py
index d07034ea8..3d24f751d 100644
--- a/src/backend/base/langflow/components/processing/dataframe_operations.py
+++ b/src/backend/base/langflow/components/processing/dataframe_operations.py
@@ -165,29 +165,29 @@ class DataFrameOperationsComponent(Component):
         return build_config
 
     def perform_operation(self) -> DataFrame:
-        df = self.df.copy()
+        df_copy = self.df.copy()
         op = self.operation
 
         if op == "Filter":
-            return self.filter_rows_by_value(df)
+            return self.filter_rows_by_value(df_copy)
         if op == "Sort":
-            return self.sort_by_column(df)
+            return self.sort_by_column(df_copy)
         if op == "Drop Column":
-            return self.drop_column(df)
+            return self.drop_column(df_copy)
         if op == "Rename Column":
-            return self.rename_column(df)
+            return self.rename_column(df_copy)
         if op == "Add Column":
-            return self.add_column(df)
+            return self.add_column(df_copy)
         if op == "Select Columns":
-            return self.select_columns(df)
+            return self.select_columns(df_copy)
         if op == "Head":
-            return self.head(df)
+            return self.head(df_copy)
         if op == "Tail":
-            return self.tail(df)
+            return self.tail(df_copy)
         if op == "Replace Value":
-            return self.replace_values(df)
+            return self.replace_values(df_copy)
         if op == "Drop Duplicates":
-            return self.drop_duplicates(df)
+            return self.drop_duplicates(df_copy)
         msg = f"Unsupported operation: {op}"
         logger.error(msg)
         raise ValueError(msg)