diff --git a/ppgee/http.py b/ppgee/http.py
index 9247e99..9ffa7af 100644
--- a/ppgee/http.py
+++ b/ppgee/http.py
@@ -18,7 +18,8 @@ class HttpClient:
             logger.debug(f"Request: {url} Status: {resp.status}")
             if resp.status != 200:
                 raise RequestException(
-                    f"Request to url {url} with method {method} failed with status code {resp.status}."
+                    f"Request to url {url} with method {method} failed "
+                    " with status code {resp.status}."
                 )
             return await resp.text()
 
diff --git a/ppgee/pages/attendency.py b/ppgee/pages/attendency.py
index 0e3348a..b25671f 100644
--- a/ppgee/pages/attendency.py
+++ b/ppgee/pages/attendency.py
@@ -37,7 +37,7 @@ class AttendencyPage:
     def history(self) -> AttendencyHistory:
         return self._history
 
-    def is_available(self):
+    def is_available(self) -> bool:
         return self._available
 
     async def confirm(self) -> None:
diff --git a/ppgee/permissions.py b/ppgee/permissions.py
index d79c2d3..a18c1b3 100644
--- a/ppgee/permissions.py
+++ b/ppgee/permissions.py
@@ -1,9 +1,10 @@
+from typing import Any
 from functools import wraps
 
 
 def is_logged_check(method):
     @wraps(method)
-    def wrapper(self, *args, **kwargs):
+    def wrapper(self, *args: Any, **kwargs: Any) -> Any:
         if not self.is_logged:
             raise Exception("You must be logged in to use this method")
         return method(self, *args, **kwargs)