fix: handle Message in path input in CSVAgentComponent (#4784)

* fixing problem handling path type

* Add type check for 'path.text' in CSV utility function

---------

Co-authored-by: Gabriel Luiz Freitas Almeida <[email protected]>

src/backend/base/langflow/components/langchain_utilities/csv.py

@@ -51,6 +51,11 @@ class CSVAgentComponent(LCAgentComponent):
         Output(display_name="Agent", name="agent", method="build_agent"),
     ]
 
+    def _path(self) -> str:
+        if isinstance(self.path, Message) and isinstance(self.path.text, str):
+            return self.path.text
+        return self.path
+
     def build_agent_response(self) -> Message:
         agent_kwargs = {
             "verbose": self.verbose,
@@ -59,7 +64,7 @@ def build_agent_response(self) -> Message:
 
         agent_csv = create_csv_agent(
             llm=self.llm,
-            path=self.path,
+            path=self._path(),
             agent_type=self.agent_type,
             handle_parsing_errors=self.handle_parsing_errors,
             **agent_kwargs,
@@ -76,7 +81,7 @@ def build_agent(self) -> AgentExecutor:
 
         agent_csv = create_csv_agent(
             llm=self.llm,
-            path=self.path,
+            path=self._path(),
             agent_type=self.agent_type,
             handle_parsing_errors=self.handle_parsing_errors,
             **agent_kwargs,