fix cookie saving

timebot.py

@@ -48,8 +48,9 @@ class TimeBot:
             try:
                 self._load_session_cookies(self._session)
             except FileNotFoundError as e:
-                self.logger.error(e)
-                raise
+                logger.warning(e)  # file does not exist... ignored
+            except (EOFError, pickle.UnpicklingError) as e:
+                logger.warning(e)  # file seems to be corrupt... ignoring
         request = self._session.get(self.baseurl + "Employee/GetEmployeeList")
         if 400 <= request.status_code < 500:
             self._login(self._session)
@@ -100,8 +101,8 @@ class TimeBot:
 
         :param requests.Session session: the requests session which will be updated with the loaded cookies
         """
-        with open(".kekse", "rb") as f:
-            if self._save_session:
+        if self._save_session:
+            with open(".kekse", "rb") as f:
                 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:
@@ -274,8 +275,8 @@ if __name__ == '__main__':
     config = configparser.ConfigParser()
     config.read(args.c)
 
-    tb = TimeBot(baseurl=config["general"]["baseurl"], user=args.u, password=args.p, ask_for_password=args.save_cookies,
-                 save_session=True)
+    tb = TimeBot(baseurl=config["general"]["baseurl"], user=args.u, password=args.p, ask_for_password=True,
+                 save_session=args.save_cookies)
     if args.subparser_name == "punch":
         if args.s == "now":
             punch_datetime = datetime.datetime.now()