def METHOD_NAME(file, connect):
    BIAS_lines=[]
    found=0
    if file.endswith('.sp'):
        FLAG =0
        with open(file, "r") as file:
            for line in file:
                if ".SUBCKT" in line: 
                    found=connect.BIAS_pins(line)
                    FLAG=1
                elif ".ENDS" in line:
                    FLAG=0
                    BIAS_lines.append(line)
                if FLAG==1:
                    BIAS_lines.append(line)
    if found:
        return BIAS_lines
    else:
        return None   