amount needs to be cast to a float to be a .2f in new bill

db.py

@@ -300,7 +300,7 @@ def get_bill_freqs():
 def new_bill( bill_type, amount, bill_date, estimated ):
     conn = connect_db(False)
     cur = conn.cursor()
-    cur.execute( f"insert into bill_data ( 'bill_type', 'amount', 'bill_date', 'estimated' ) values ( '{bill_type}', '{amount:.2f}', '{bill_date}', {estimated} )" )
+    cur.execute( f"insert into bill_data ( 'bill_type', 'amount', 'bill_date', 'estimated' ) values ( '{bill_type}', '{float(amount):.2f}', '{bill_date}', {estimated} )" )
     conn.commit()
     conn.close()
     return