diff --git a/python/langsmith/client.py b/python/langsmith/client.py
index 96a38808a..b8a706116 100644
--- a/python/langsmith/client.py
+++ b/python/langsmith/client.py
@@ -36,6 +36,7 @@
 import requests
 from requests import adapters as requests_adapters
 from urllib3.util import Retry
+
 import langsmith
 from langsmith import env as ls_env
 from langsmith import schemas as ls_schemas
diff --git a/python/pyproject.toml b/python/pyproject.toml
index dec91b451..64a753cab 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langsmith"
-version = "0.0.80"
+version = "0.0.81"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 authors = ["LangChain <support@langchain.dev>"]
 license = "MIT"
diff --git a/python/tests/unit_tests/test_client.py b/python/tests/unit_tests/test_client.py
index 09780345c..c3d24a351 100644
--- a/python/tests/unit_tests/test_client.py
+++ b/python/tests/unit_tests/test_client.py
@@ -51,10 +51,11 @@ def test_validate_api_key_if_hosted(monkeypatch: pytest.MonkeyPatch) -> None:
 def test_headers(monkeypatch: pytest.MonkeyPatch) -> None:
     monkeypatch.delenv("LANGCHAIN_API_KEY", raising=False)
     client = Client(api_url="http://localhost:1984", api_key="123")
-    assert client._headers == {"x-api-key": "123"}
+    assert "x-api-key" in client._headers
+    assert client._headers["x-api-key"] == "123"
 
     client_no_key = Client(api_url="http://localhost:1984")
-    assert client_no_key._headers == {}
+    assert "x-api-key" not in client_no_key._headers
 
 
 @mock.patch("langsmith.client.requests.Session")