add some logger output

timebot.py

@@ -53,6 +53,7 @@ class TimeBot:
                 logger.warning(e)  # file seems to be corrupt... ignoring
         request = self._session.get(self.baseurl + "Employee/GetEmployeeList")
         if 400 <= request.status_code < 500:
+            self.logger.debug(f"got error {request.status_code}... trying to log in")
             self._login(self._session)
             self._save_session_cookies(self._session)
         else:
@@ -91,8 +92,9 @@ class TimeBot:
 
         :param requests.Session session: the requests session to extract the cookies from
         """
-        with open(".kekse", "wb") as f:
         if self._save_session:
+            with open(".kekse", "wb") as f:
+                self.logger.debug("pickling session cookies")
                 pickle.dump(requests.utils.dict_from_cookiejar(session.cookies), f)
 
     def _load_session_cookies(self, session: requests.Session):
@@ -103,6 +105,7 @@ class TimeBot:
         """
         if self._save_session:
             with open(".kekse", "rb") as f:
+                self.logger.debug("loading pickled cookies")
                 session.cookies.update(requests.utils.cookiejar_from_dict(pickle.load(f)))
 
     def add_entry(self, punch_datetime: datetime.datetime, entry_code: int, note: str = None) -> requests.Response: