diff --git a/kani/engines/openai/client.py b/kani/engines/openai/client.py
index ba7224b..bcd97de 100644
--- a/kani/engines/openai/client.py
+++ b/kani/engines/openai/client.py
@@ -92,8 +92,7 @@ async def create_completion(
         best_of: int = 1,
         logit_bias: dict = None,
         user: str = None,
-    ) -> Completion:
-        ...
+    ) -> Completion: ...
 
     async def create_completion(self, model: str, **kwargs) -> Completion:
         data = await self.post("/completions", json={"model": model, **kwargs})
@@ -120,8 +119,7 @@ async def create_chat_completion(
         frequency_penalty: float = 0.0,
         logit_bias: dict | None = None,
         user: str | None = None,
-    ) -> ChatCompletion:
-        ...
+    ) -> ChatCompletion: ...
 
     async def create_chat_completion(
         self,
diff --git a/pyproject.toml b/pyproject.toml
index c931aee..0a5f123 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "kani"
-version = "0.3.0"
+version = "0.3.1"
 authors = [
     { name = "Andrew Zhu", email = "andrew@zhu.codes" },
 ]
@@ -17,7 +17,7 @@ classifiers = [
     "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
     # https://pypi.org/classifiers/
-    "Development Status :: 3 - Alpha",
+    "Development Status :: 4 - Beta",
     "Intended Audience :: Science/Research",
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
 ]