import glob, json

changed_files = []
for file_path in glob.glob('*.ipynb'):
    with open(file_path, 'r', encoding='utf-8') as f:
        nb = json.load(f)
        
    changed = False
    for cell in nb.get('cells', []):
        if cell.get('cell_type') == 'code':
            source = cell.get('source', [])
            for i, line in enumerate(source):
                if 'time=50' in line:
                    source[i] = line.replace('time=50', 'time=0')
                    changed = True
                if 'load_data_sen1(dc,' in line:
                    source[i] = line.replace('load_data_sen1(dc,', 'load_data_sen1(None,')
                    changed = True
                    
    if changed:
        with open(file_path, 'w', encoding='utf-8') as f:
            json.dump(nb, f, indent=1)
        changed_files.append(file_path)

print('Fixed issues in:', changed_files)