fixed rookie mistakes

src/clients.py

@@ -2,6 +2,7 @@ from apps import Application
 
 
 class Client:
-    startSlices: list[int] = []
-    lengthOfTransmission: int = 0
-    application: Application = Application()
+    def __init__(self):
+        self.startSlices: list[int] = []
+        self.lengthOfTransmission:int = 0
+        self.application: Application = Application()