diff --git a/api/src/common/middleware.py b/api/src/common/middleware.py
index 8a8db79d..f1169a4c 100644
--- a/api/src/common/middleware.py
+++ b/api/src/common/middleware.py
@@ -61,7 +61,7 @@ async def __call__(self, scope, receive, send):
         path = scope["path"]
         response = {}
 
-        async def innner_send(message):
+        async def inner_send(message):
             nonlocal response
             if message["type"] == "http.response.start":
                 response = message
@@ -74,7 +74,7 @@ async def innner_send(message):
         with tracer.span("main") as span:
             span.span_kind = SpanKind.SERVER
 
-            await self.app(scope, receive, innner_send)
+            await self.app(scope, receive, inner_send)
 
             tracer.add_attribute_to_current_span(
                 attribute_key=COMMON_ATTRIBUTES["HTTP_STATUS_CODE"], attribute_value=response["status"]
diff --git a/api/src/config.py b/api/src/config.py
index a6db8f5b..2d6a9154 100644
--- a/api/src/config.py
+++ b/api/src/config.py
@@ -9,7 +9,7 @@ class Config(BaseSettings):
 
     # Logging
     LOGGER_LEVEL: str = Field("INFO", env="LOGGING_LEVEL", to_lower=True)
-    APPINSIGHTS_CONSTRING: str = Field(None, env="APPINSIGHTS_CONSTRING")
+    APPINSIGHTS_CONSTRING: str | None = Field(None, env="APPINSIGHTS_CONSTRING")
 
     # Database
     MONGODB_USERNAME: str = Field("dummy", env="MONGODB_USERNAME")