Pyshark FileCapture不工作

pip install pyshark

import pyshark

cap = pyshark.FileCapture('path/to/your/file.pcap')

chmod 644 path/to/your/file.pcap

import pyshark

try:
    cap = pyshark.FileCapture('path/to/your/file.pcap')
except Exception as e:
    print(f"Error: {e}")

pip install --upgrade pyshark