[Python] pyserial doesnt read full line

I want to read data from my arduino and show it on a tkinter window, it works nicely but when I sent the Data on the arduino faster then every 10ms it resevieses many lines that are not full like this:

'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']
⚠️ Invalid line, skipped: ['0', '0', '0', '0', '0', '0', '0', '0', '0', 'Malik']


The weird thing is when i sent it at 10ms speed it works, just sometimes not when i move the window. Hope somebody can help me here is my code:

def read_Serial_Values(self):
read_Line = ReadLine(ser)
self.raw_Input = read_Line.readline().decode('utf-8').strip()
# if self.is_Data_Here():
# print("!Overload!")
# self.trash = ser.read_all()
self.raw_Listet_Input = [x for x in self.raw_Input.split(",") if x]
if len(self.raw_Listet_Input) < 21:
print("⚠️ Invalid line, skipped:", self.raw_Listet_Input)
return
self.Inp_manager.save_Repeating_Input(self.raw_Listet_Input)

def is_Data_Here(self):
if ser.in_waiting >0:
return True
return False


class ReadLine:
def __init__(self, s):
self.buf = bytearray()
self.s = s

def readline(self):
i = self.buf.find(b"\n")
if i >= 0:
r = self.buf[:i+1]
self.buf = self.buf[i+1:]
return r
while True:
i = max(1, min(2048, self.s.in_waiting))
data = self.s.read(i)
i = data.find(b"\n")
if i >= 0:
r = self.buf + data[:i+1]
self.buf[0:] = data[i+1:]
return r
else:
self.buf.extend(data)


I have tried changing the timeout but that didnt changed anything and I also changed the way the programm recevies the lines.

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