fix linting

Author: wj-Mcat

src/wechaty/config.py

@@ -114,8 +114,12 @@ def ui_dir(self) -> str:
             'ui'
         )
         return os.environ.get("UI_DIR", default_ui_dir)
-    
-    def get_environment_variable(self, name: str, default_value: Optional[Any] = None):
+
+    def get_environment_variable(
+        self,
+        name: str,
+        default_value: Optional[Any] = None
+    ) -> Optional[Any]:
         """get environment variable
 
         Args:

src/wechaty/plugin.py

@@ -25,7 +25,6 @@
 import inspect
 from logging import Logger
 import os
-from ssl import SSLEOFError
 import sys
 import re
 from abc import ABC
@@ -277,11 +276,11 @@ def add_interval_job(
             job_id = f'interval-job-{minutes}'
 
         job_id = str(job_id)
-        
+
         job = self.scheduler.get_job(job_id=job_id)
         if job is not None:
             self.scheduler.remove_job(job_id=job_id)
-            
+
         trigger = IntervalTrigger(
             minutes=minutes
         )