diff --git a/pytransifex/config.py b/pytransifex/config.py
index 93d8f87..03f338a 100644
--- a/pytransifex/config.py
+++ b/pytransifex/config.py
@@ -15,7 +15,7 @@ class ApiConfig(NamedTuple):
     project_slug: str | None = None
 
     @classmethod
-    def from_env(cls) -> "ApiConfig":
+    def from_env(cls) -> ApiConfig:
         load_dotenv()
 
         token = environ.get("TX_TOKEN")