diff --git a/examples/example.py b/examples/example.py
index 7606b78..53b13f8 100755
--- a/examples/example.py
+++ b/examples/example.py
@@ -5,16 +5,14 @@
 
 from spitch import Spitch
 
-client = Spitch(api_key=os.getenv('SPITCH_API_KEY'))
+client = Spitch(api_key=os.getenv("SPITCH_API_KEY"))
 speech_file_path = Path(__file__).parent / "audio.mp3"
 
 
 def main() -> None:
     start_time = time.time()
     with client.speech.with_streaming_response.generate(
-        language="yo",
-        text="Bawo ni ololufe?",
-        voice="funmi"
+        language="yo", text="Bawo ni ololufe?", voice="funmi"
     ) as speech:
         print(f"Time to first byte: {int((time.time() - start_time) * 1000)}ms")
         speech.stream_to_file(speech_file_path)
diff --git a/requirements-dev.lock b/requirements-dev.lock
index 1bb189c..67c0b15 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -38,7 +38,7 @@ h11==0.14.0
     # via httpcore
 httpcore==1.0.2
     # via httpx
-httpx==0.28.1
+httpx==0.27.2
     # via respx
     # via spitch
 idna==3.4
@@ -90,6 +90,7 @@ six==1.16.0
     # via python-dateutil
 sniffio==1.3.0
     # via anyio
+    # via httpx
     # via spitch
 time-machine==2.9.0
 tomli==2.0.2
@@ -100,6 +101,7 @@ typing-extensions==4.12.2
     # via mypy
     # via pydantic
     # via pydantic-core
+    # via pyright
     # via spitch
 virtualenv==20.24.5
     # via nox
diff --git a/requirements.lock b/requirements.lock
index 05d014c..08d01f9 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -26,7 +26,7 @@ h11==0.14.0
     # via httpcore
 httpcore==1.0.2
     # via httpx
-httpx==0.28.1
+httpx==0.27.2
     # via spitch
 idna==3.4
     # via anyio
@@ -37,6 +37,7 @@ pydantic-core==2.23.4
     # via pydantic
 sniffio==1.3.0
     # via anyio
+    # via httpx
     # via spitch
 typing-extensions==4.12.2
     # via anyio
diff --git a/src/spitch/_base_client.py b/src/spitch/_base_client.py
index e7119ca..a07b15c 100644
--- a/src/spitch/_base_client.py
+++ b/src/spitch/_base_client.py
@@ -852,7 +852,7 @@ def __init__(
         self._client = http_client or SyncHttpxClientWrapper(
             base_url=base_url,
             # cast to a valid type because mypy doesn't understand our type narrowing
-            timeout=cast(Timeout, timeout)
+            timeout=cast(Timeout, timeout),
         )
 
     def is_closed(self) -> bool:
diff --git a/src/spitch/_response.py b/src/spitch/_response.py
index daddf0a..0667317 100644
--- a/src/spitch/_response.py
+++ b/src/spitch/_response.py
@@ -210,8 +210,8 @@ def _parse(self, *, to: type[_T] | None = None) -> R | _T:
                 raise ValueError(f"Subclasses of httpx.Response cannot be passed to `cast_to`")
             return cast(R, response)
 
-        if inspect.isclass(origin) and not issubclass(origin, BaseModel) and issubclass(origin, pydantic.BaseModel):
-            raise TypeError("Pydantic models must subclass our base model type, e.g. `from openai import BaseModel`")
+        if inspect.isclass(origin) and not issubclass(origin, BaseModel) and issubclass(origin, pydantic.BaseModel):  # type: ignore
+            raise TypeError("Pydantic models must subclass our base model type, e.g. `from spitch import BaseModel`")
 
         if (
             cast_to is not object
@@ -261,7 +261,6 @@ def _parse(self, *, to: type[_T] | None = None) -> R | _T:
         )
 
 
-
 class APIResponse(BaseAPIResponse[R]):
     @overload
     def parse(self, *, to: type[_T]) -> _T: ...
diff --git a/src/spitch/resources/speech.py b/src/spitch/resources/speech.py
index 3e00be1..f47d1cb 100644
--- a/src/spitch/resources/speech.py
+++ b/src/spitch/resources/speech.py
@@ -346,10 +346,7 @@ class SpeechResourceWithStreamingResponse:
     def __init__(self, speech: SpeechResource) -> None:
         self._speech = speech
 
-        self.generate = to_custom_streamed_response_wrapper(
-            speech.generate,
-            StreamedBinaryAPIResponse
-        )
+        self.generate = to_custom_streamed_response_wrapper(speech.generate, StreamedBinaryAPIResponse)
         self.transcribe = to_streamed_response_wrapper(
             speech.transcribe,
         )
@@ -359,10 +356,7 @@ class AsyncSpeechResourceWithStreamingResponse:
     def __init__(self, speech: AsyncSpeechResource) -> None:
         self._speech = speech
 
-        self.generate = async_to_custom_streamed_response_wrapper(
-            speech.generate,
-            AsyncStreamedBinaryAPIResponse
-        )
+        self.generate = async_to_custom_streamed_response_wrapper(speech.generate, AsyncStreamedBinaryAPIResponse)
         self.transcribe = async_to_streamed_response_wrapper(
             speech.transcribe,
         )
diff --git a/tests/test_models.py b/tests/test_models.py
index 81c0437..74b79a2 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -1,7 +1,7 @@
 import json
 from typing import Any, Dict, List, Union, Optional, cast
 from datetime import datetime, timezone
-from typing_extensions import Literal, Annotated
+from typing_extensions import Literal, Annotated, TypeAliasType
 
 import pytest
 import pydantic
@@ -824,6 +824,7 @@ class B(BaseModel):
     # we hit the cache
     assert UnionType.__discriminator__ is discriminator
 
+
 @pytest.mark.skipif(not PYDANTIC_V2, reason="TypeAliasType is not supported in Pydantic v1")
 def test_type_alias_type() -> None:
     Alias = TypeAliasType("Alias", str)  # pyright: ignore
diff --git a/tests/test_transform.py b/tests/test_transform.py
index 20af831..4e904af 100644
--- a/tests/test_transform.py
+++ b/tests/test_transform.py
@@ -442,7 +442,7 @@ async def test_transform_skipping(use_async: bool) -> None:
     assert await transform(data, List[int], use_async) is data
 
     # iterables of ints are converted to a list
-    data = iter([1, 2, 3])
+    data = iter([1, 2, 3])  # type: ignore
     assert await transform(data, Iterable[int], use_async) == [1, 2, 3]