fix: pythonfunction component execution (#3747)

* Added CodeInput to types

* Fixed PythonFunction to execute and return data or message

* [autofix.ci] apply automated fixes

* Added callable to outputs of pythonfunction

* [autofix.ci] apply automated fixes

* Updated function and tests

* Fixed lint issues

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

src/backend/tests/unit/inputs/test_inputs.py

@@ -3,6 +3,7 @@ from pydantic import ValidationError
 
 from langflow.inputs.inputs import (
     BoolInput,
+    CodeInput,
     DataInput,
     DictInput,
     DropdownInput,
@@ -99,6 +100,11 @@ def test_prompt_input_valid():
     assert prompt_input.value == "Enter your name"
 
 
+def test_code_input_valid():
+    code_input = CodeInput(name="valid_code", value="def hello():\n    print('Hello, World!')")
+    assert code_input.value == "def hello():\n    print('Hello, World!')"
+
+
 def test_multiline_input_valid():
     multiline_input = MultilineInput(name="valid_multiline", value="This is a\nmultiline input")
     assert multiline_input.value == "This is a\nmultiline input"
@@ -214,7 +220,10 @@ def test_instantiate_input_comprehensive():
         "FloatInput": {"name": "float_input", "value": 10.5},
         "BoolInput": {"name": "bool_input", "value": True},
         "DictInput": {"name": "dict_input", "value": {"key": "value"}},
-        "MultiselectInput": {"name": "multiselect_input", "value": ["option1", "option2"]},
+        "MultiselectInput": {
+            "name": "multiselect_input",
+            "value": ["option1", "option2"],
+        },
     }
 
     for input_type, data in valid_data.items():

src/backend/tests/unit/test_experimental_components.py

@@ -14,8 +14,13 @@ def test_python_function_component():
     # Act
     # function must be a string representation
     function = "def function():\n    return 'Hello, World!'"
+    python_function_component.function_code = function
     # result is the callable function
-    result = python_function_component.build(function)
+    result = python_function_component.get_function_callable()
+    result_message = python_function_component.execute_function_message()
+    result_data = python_function_component.execute_function_data()
 
     # Assert
     assert result() == "Hello, World!"
+    assert result_message.text == "Hello, World!"
+    assert result_data[0].text == "Hello, World!"