now compatible with python3.8

.github/workflows/python-tests.yml

@@ -23,7 +23,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v4

folktexts/qa_interface.py

@@ -183,14 +183,20 @@ def get_numeric_value(self) -> float:
         return self.numeric_value if self.numeric_value is not None else float(self.data_value)
 
 
-@dataclass(frozen=True, eq=True, kw_only=True)
+@dataclass(frozen=True, eq=True)    # NOTE: kw_only=True requires Python 3.10
 class MultipleChoiceQA(QAInterface):
     """Represents a multiple-choice question and its answer keys."""
 
     num_forward_passes: int = 1     # NOTE: overrides superclass default
-    choices: list[Choice]
+    choices: list[Choice] = dataclasses.field(default_factory=list)
     _answer_keys_source: list[str] = _ALPHABET
 
+    def __post_init__(self):
+        if not self.choices:
+            raise ValueError("Choices must be provided.")
+        if len(self.choices) > len(self._answer_keys_source):
+            raise ValueError("Number of choices must be less than or equal to the number of answer keys.")
+
     @classmethod
     def create_question_from_value_map(
         cls,

pyproject.toml

@@ -24,16 +24,15 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
     "Natural Language :: English",
     "Programming Language :: Python :: 3",
-    # "Programming Language :: Python :: 3.8",      # TODO: add compatibility with py3.8
-    # "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
 ]
 
-version = "0.0.4"
-# requires-python = ">=3.8"
-requires-python = ">=3.10"
+version = "0.0.5"
+requires-python = ">=3.8"
 dynamic = [
     "readme",
     "dependencies",
@@ -105,8 +104,8 @@ exclude = ["build", "doc"]
 legacy_tox_ini = """
 [tox]
 env_list =
-    # py38
-    # py39
+    py38
+    py39
     py310
     py311
     py312