diff --git a/spiderweb/__init__.py b/spiderweb/__init__.py
index 5edb991..d5bf1b4 100644
--- a/spiderweb/__init__.py
+++ b/spiderweb/__init__.py
@@ -1,3 +1,3 @@
 from spiderweb.main import SpiderwebRouter  # noqa: F401
 from spiderweb.middleware import *  # noqa: F401, F403
-from spiderweb.constants import __version__
+from spiderweb.constants import __version__ as __version__
diff --git a/spiderweb/local_server.py b/spiderweb/local_server.py
index cfca6e9..b1ad396 100644
--- a/spiderweb/local_server.py
+++ b/spiderweb/local_server.py
@@ -3,7 +3,7 @@ import threading
 import time
 from logging import Logger
 from threading import Thread
-from typing import NoReturn, Callable, Any
+from typing import NoReturn
 from wsgiref.simple_server import WSGIServer, WSGIRequestHandler
 
 from spiderweb.constants import __version__
diff --git a/spiderweb/main.py b/spiderweb/main.py
index 0cfd83a..daca021 100644
--- a/spiderweb/main.py
+++ b/spiderweb/main.py
@@ -21,7 +21,7 @@ from spiderweb.exceptions import (
 )
 from spiderweb.local_server import LocalServerMiddleware
 from spiderweb.request import Request
-from spiderweb.response import HttpResponse, TemplateResponse
+from spiderweb.response import HttpResponse, TemplateResponse, JsonResponse
 from spiderweb.routes import RoutesMiddleware
 from spiderweb.secrets import FernetMiddleware
 from spiderweb.utils import get_http_status_by_code
@@ -87,15 +87,15 @@ class SpiderwebRouter(
                         f"Static files directory '{str(static_dir)}' does not exist."
                     )
                     raise ConfigError
-            self.add_route(r"/static/<str:filename>", send_file)
+            self.add_route(r"/static/<str:filename>", send_file)  # noqa: F405
 
     def fire_response(self, start_response, request: Request, resp: HttpResponse):
         try:
             status = get_http_status_by_code(resp.status_code)
             cookies = []
             if "Set-Cookie" in resp.headers:
-                cookies = resp.headers['Set-Cookie']
-                del resp.headers['Set-Cookie']
+                cookies = resp.headers["Set-Cookie"]
+                del resp.headers["Set-Cookie"]
             headers = list(resp.headers.items())
             for c in cookies:
                 headers.append(("Set-Cookie", c))
@@ -157,7 +157,7 @@ class SpiderwebRouter(
     def prepare_and_fire_response(self, start_response, request, resp) -> list[bytes]:
         try:
             if isinstance(resp, dict):
-                self.fire_response(request, JsonResponse(data=resp))
+                self.fire_response(start_response, request, JsonResponse(data=resp))
             if isinstance(resp, TemplateResponse):
                 resp.set_template_loader(self.env)
 
@@ -200,9 +200,11 @@ class SpiderwebRouter(
 
         try:
             if handler:
-                abort = self.process_request_middleware(request)
-                if abort:
-                    return
+                abort_view = self.process_request_middleware(request)
+                if abort_view:
+                    return self.prepare_and_fire_response(
+                        start_response, request, abort_view
+                    )
                 resp = handler(request, **additional_args)
                 if resp is None:
                     raise NoResponseError(f"View {handler} returned None.")
diff --git a/spiderweb/middleware/__init__.py b/spiderweb/middleware/__init__.py
index 89a8ac2..f3112e0 100644
--- a/spiderweb/middleware/__init__.py
+++ b/spiderweb/middleware/__init__.py
@@ -1,7 +1,7 @@
 from typing import Callable, ClassVar
 
-from .base import SpiderwebMiddleware
-from .csrf import CSRFMiddleware
+from .base import SpiderwebMiddleware as SpiderwebMiddleware
+from .csrf import CSRFMiddleware as CSRFMiddleware
 from ..exceptions import ConfigError, UnusedMiddleware
 from ..request import Request
 from ..response import HttpResponse
@@ -33,8 +33,7 @@ class MiddlewareMiddleware:
                 continue
             if resp:
                 self.process_response_middleware(request, resp)
-                self.fire_response(request, resp)
-                return True  # abort further processing
+                return resp  # abort further processing
 
     def process_response_middleware(
         self, request: Request, response: HttpResponse
diff --git a/spiderweb/response.py b/spiderweb/response.py
index 9d1e846..b0ded65 100644
--- a/spiderweb/response.py
+++ b/spiderweb/response.py
@@ -39,17 +39,17 @@ class HttpResponse:
         return self.body
 
     def set_cookie(
-            self,
-            name: str,
-            value: str,
-            domain: str=None,
-            expires: datetime.datetime = None,
-            http_only: bool=None,
-            max_age: int=None,
-            partitioned: bool=None,
-            path: str=None,
-            secure: bool=False,
-            same_site: str=None
+        self,
+        name: str,
+        value: str,
+        domain: str = None,
+        expires: datetime.datetime = None,
+        http_only: bool = None,
+        max_age: int = None,
+        partitioned: bool = None,
+        path: str = None,
+        secure: bool = False,
+        same_site: str = None,
     ):
         if not bool(re.match(REGEX_COOKIE_NAME, name)):
             url = "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie#attributes"
@@ -94,7 +94,6 @@ class HttpResponse:
         else:
             self.headers["Set-Cookie"] = [cookie]
 
-
     def render(self) -> str:
         return str(self.body)
 
diff --git a/spiderweb/routes.py b/spiderweb/routes.py
index 407eadc..0a608b7 100644
--- a/spiderweb/routes.py
+++ b/spiderweb/routes.py
@@ -85,7 +85,7 @@ class RoutesMiddleware:
     def get_error_route(self, code: int) -> Callable:
         view = self._error_routes.get(code) or globals().get(f"http{code}")
         if not view:
-            return http500
+            return http500  # noqa: F405
         return view
 
     def check_for_route_duplicates(self, path: str):
diff --git a/spiderweb/utils.py b/spiderweb/utils.py
index 7ddc47a..4ae033f 100644
--- a/spiderweb/utils.py
+++ b/spiderweb/utils.py
@@ -15,7 +15,7 @@ def import_by_string(name):
 
 def is_safe_path(path: str) -> bool:
     # this cannot possibly catch all issues
-    return not ".." in str(path)
+    return ".." not in str(path)
 
 
 def get_http_status_by_code(code: int) -> Optional[str]: