diff --git a/robyn/router.py b/robyn/router.py
index d6301776..83af186f 100644
--- a/robyn/router.py
+++ b/robyn/router.py
@@ -47,65 +47,60 @@ def __init__(self) -> None:
         super().__init__()
         self.routes: List[Route] = []
 
+    def _format_tuple_response(self, res: tuple) -> Response:
+        if len(res) != 3:
+            raise ValueError("Tuple should have 3 elements")
+
+        description, headers, status_code = res
+        description = self._format_response(description).description
+        new_headers: Headers = Headers(headers)
+        if new_headers.contains("Content-Type"):
+            headers.set("Content-Type", new_headers.get("Content-Type"))
+
+        return Response(
+            status_code=status_code,
+            headers=headers,
+            description=description,
+        )
+
     def _format_response(
         self,
         res: Union[Dict, Response, bytes, tuple, str],
     ) -> Response:
-        headers = Headers({"Content-Type": "text/plain"})
+        if isinstance(res, Response):
+            return res
 
-        response = {}
         if isinstance(res, dict):
-            # this should change
-            headers = Headers({})
-            if "Content-Type" not in headers:
-                headers.set("Content-Type", "application/json")
-
-            description = jsonify(res)
-
-            response = Response(
+            return Response(
                 status_code=status_codes.HTTP_200_OK,
-                headers=headers,
-                description=description,
+                headers=Headers({"Content-Type": "application/json"}),
+                description=jsonify(res),
             )
-        elif isinstance(res, Response):
-            response = res
-        elif isinstance(res, FileResponse):
-            response = Response(
+
+        if isinstance(res, FileResponse):
+            response: Response = Response(
                 status_code=res.status_code,
                 headers=res.headers,
                 description=res.file_path,
             )
             response.file_path = res.file_path
+            return response
 
-        elif isinstance(res, bytes):
-            headers = Headers({"Content-Type": "application/octet-stream"})
-            response = Response(
+        if isinstance(res, bytes):
+            return Response(
                 status_code=status_codes.HTTP_200_OK,
-                headers=headers,
+                headers=Headers({"Content-Type": "application/octet-stream"}),
                 description=res,
             )
-        elif isinstance(res, tuple):
-            if len(res) != 3:
-                raise ValueError("Tuple should have 3 elements")
-            else:
-                description, headers, status_code = res
-                description = self._format_response(description).description
-                new_headers = Headers(headers)
-                if "Content-Type" in new_headers:
-                    headers.set("Content-Type", new_headers.get("Content-Type"))
-
-                response = Response(
-                    status_code=status_code,
-                    headers=headers,
-                    description=description,
-                )
-        else:
-            response = Response(
-                status_code=status_codes.HTTP_200_OK,
-                headers=headers,
-                description=str(res).encode("utf-8"),
-            )
-        return response
+
+        if isinstance(res, tuple):
+            return self._format_tuple_response(tuple(res))
+
+        return Response(
+            status_code=status_codes.HTTP_200_OK,
+            headers=Headers({"Content-Type": "text/plain"}),
+            description=str(res).encode("utf-8"),
+        )
 
     def add_route(
         self,
@@ -291,7 +286,7 @@ def add_auth_middleware(self, endpoint: str):
         This method adds an authentication middleware to the specified endpoint.
         """
 
-        injected_dependencies = {}
+        injected_dependencies: dict = {}
 
         def decorator(handler):
             @wraps(handler)
@@ -320,7 +315,7 @@ def inner_handler(request: Request, *args):
     # Arguments are returned as they could be modified by the middlewares.
     def add_middleware(self, middleware_type: MiddlewareType, endpoint: Optional[str]) -> Callable[..., None]:
         # no dependency injection here
-        injected_dependencies = {}
+        injected_dependencies: dict = {}
 
         def inner(handler):
             @wraps(handler)
@@ -383,7 +378,7 @@ def get_global_middlewares(self) -> List[GlobalMiddleware]:
 class WebSocketRouter(BaseRouter):
     def __init__(self) -> None:
         super().__init__()
-        self.routes = {}
+        self.routes: dict = {}
 
     def add_route(self, endpoint: str, web_socket: WebSocket) -> None:
         self.routes[endpoint] = web_socket