Fix import order in test_custom_component.py

tests/test_custom_component.py

@@ -1,18 +1,17 @@
 import ast
-import pytest
 import types
 from uuid import uuid4
 
-
+import pytest
 from fastapi import HTTPException
-from langflow.services.database.models.flow import Flow, FlowCreate
+from langflow.field_typing.constants import Data
 from langflow.interface.custom.base import CustomComponent
+from langflow.interface.custom.code_parser import CodeParser, CodeSyntaxError
 from langflow.interface.custom.component import (
     Component,
     ComponentCodeNullError,
 )
-from langflow.interface.custom.code_parser import CodeParser, CodeSyntaxError
-
+from langflow.services.database.models.flow import Flow, FlowCreate
 
 code_default = """
 from langflow import Prompt
@@ -229,9 +228,11 @@ def test_custom_component_get_function_entrypoint_return_type():
     Test the get_function_entrypoint_return_type
     property of the CustomComponent class.
     """
+    from langchain.schema import Document
+
     custom_component = CustomComponent(code=code_default, function_entrypoint_name="build")
     return_type = custom_component.get_function_entrypoint_return_type
-    assert return_type == ["Document"]
+    assert return_type == [Document]
 
 
 def test_custom_component_get_main_class_name():
@@ -414,7 +415,7 @@ class MyClass(CustomComponent):
 
     custom_component = CustomComponent(code=my_code, function_entrypoint_name="build")
     return_type = custom_component.get_function_entrypoint_return_type
-    assert return_type == []
+    assert return_type == [Data]
 
 
 def test_custom_component_get_main_class_name_no_main_class():