Add Python 3.11 compatibility

src/elm/components/SeatingPlanPixels.py

@@ -20,8 +20,9 @@ class SeatPixel(Component):
             self.associated_user = await self.seat.user.fetch()
 
     async def on_press(self, _: PointerEvent) -> None:
-        self.session.navigate_to(f"./seat-info?seat_id={self.seat_id.replace("\n", "")}")
+        seat_id = self.seat_id.replace("\n", "")
-
+        self.session.navigate_to(f"./seat-info?seat_id={seat_id}")
+    
     def determine_color(self) -> Color:
         if self.seat is not None:
             try:

src/elm/pages/ForgotPasswordPage.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from _sha2 import sha256
+from hashlib import sha256
 from random import choices
 from typing import Any, Optional
 

src/elm/pages/MyBalancePage.py

@@ -26,7 +26,7 @@ class TransactionRow(Component):
         return Rectangle(
             content=Row(
                 Text(
-                    f"{self.transaction_time.strftime("%d.%m.%y")} /",
+                    f"{self.transaction_time.strftime('%d.%m.%y')} /",
                     justify="left",
                     font_size=0.8,
                     margin_left=0.5,