diff --git a/pyproject.toml b/pyproject.toml
index 27499a0..a11eb79 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,6 +60,7 @@ dependencies = [
     "typer>=0.15.0",
     "questionary>=2.0.0",
     "cryptography>=44.0.0",
+    "pytest-asyncio>=1.4.0"
 ]
 
 [project.scripts]
diff --git a/windows_use/providers/mistral/llm.py b/windows_use/providers/mistral/llm.py
index 7e03891..808c6bf 100644
--- a/windows_use/providers/mistral/llm.py
+++ b/windows_use/providers/mistral/llm.py
@@ -4,7 +4,7 @@
 from collections.abc import AsyncIterator, Iterator
 from typing import Any, overload
 
-from mistralai import Mistral
+from mistralai.client import Mistral
 from pydantic import BaseModel
 
 from windows_use.messages import (
diff --git a/windows_use/providers/openai/llm.py b/windows_use/providers/openai/llm.py
index 68aa146..85f902f 100644
--- a/windows_use/providers/openai/llm.py
+++ b/windows_use/providers/openai/llm.py
@@ -72,6 +72,7 @@ def __init__(
         self.base_url = base_url or os.environ.get("OPENAI_BASE_URL")
         self.temperature = temperature
         self.extra_body = extra_body
+        self.reasoning_effort = reasoning_effort
 
         self.client = OpenAI(
             api_key=self.api_key,