diff --git a/main.py b/main.py
index b5b2549..bc65869 100644
--- a/main.py
+++ b/main.py
@@ -1,11 +1,13 @@
+import contextlib
 import logging
 from os import getpid
 
+from modules.app import PyroClient
+
 # Uncomment this and the line below client declaration
 # in order to use context manager in your commands.
 # from convopyro import Conversation
 
-from modules.app import PyroClient
 
 logging.basicConfig(
     level=logging.INFO,
@@ -15,12 +17,10 @@ logging.basicConfig(
 
 logger = logging.getLogger(__name__)
 
-try:
+with contextlib.suppress(ImportError):
     import uvloop
 
     uvloop.install()
-except ImportError:
-    pass
 
 
 def main():
@@ -30,7 +30,7 @@ def main():
     try:
         client.run()
     except KeyboardInterrupt:
-        logger.warning(f"Forcefully shutting down with PID {getpid()}...")
+        logger.warning("Forcefully shutting down with PID %s...", getpid())
     finally:
         exit()
 
diff --git a/modules/app.py b/modules/app.py
index 7525086..b2c84a3 100644
--- a/modules/app.py
+++ b/modules/app.py
@@ -25,6 +25,7 @@ class PyroClient(Client):
             plugins=dict(root="plugins", exclude=config["disabled_plugins"]),
             sleep_threshold=120,
         )
+        self.start_time = 0
 
     async def start(self):
         await super().start()
@@ -56,4 +57,4 @@ class PyroClient(Client):
         except BadRequest:
             logger.warning("Unable to send message to report chat.")
         await super().stop()
-        logger.warning(f"Bot stopped with PID {getpid()}.")
+        logger.warning("Bot stopped with PID %s.", getpid())