🐛 fix(util.py): add logic to extract type from Union[Literal['f-string'], Literal['jinja2']] to improve type formatting

🐛 fix(test_prompts_template.py): fix incorrect value for "validate_template" field in test case

src/backend/langflow/utils/util.py

@@ -276,6 +276,7 @@ def format_dict(
         _type = remove_optional_wrapper(_type)
         _type = check_list_type(_type, value)
         _type = replace_mapping_with_dict(_type)
+        _type = get_type_from_union_literal(_type)
 
         value["type"] = get_formatted_type(key, _type)
         value["show"] = should_show_field(value, key)
@@ -295,6 +296,15 @@ def format_dict(
     return dictionary
 
 
+# "Union[Literal['f-string'], Literal['jinja2']]" -> "str"
+def get_type_from_union_literal(union_literal: str) -> str:
+    # if types are literal strings
+    # the type is a string
+    if "Literal" in union_literal:
+        return "str"
+    return union_literal
+
+
 def get_type(value: Any) -> Union[str, type]:
     """
     Retrieves the type value from the dictionary.

tests/test_prompts_template.py

@@ -96,7 +96,7 @@ def test_prompt_template(client: TestClient, logged_in_headers):
         "placeholder": "",
         "show": False,
         "multiline": False,
-        "value": True,
+        "value": False,
         "password": False,
         "name": "validate_template",
         "type": "bool",