Update app.py

app.py

@@ -37,7 +37,7 @@ async def init():
     await msg.send()
 
     # Read text from a .txt file
-    with open('./data/aerodynamic_drag.txt', 'r') as f:
+    with open('./data/aerodynamic_drag.txt', 'r', encoding='Windows-1252') as f:
         aerodynamic_drag_data = f.read()
 
     # Split the text into smaller chunks