def read_credentials_file(file):
    user = ""
    token = ""
    with open(file, 'r') as f:
        content = [x.strip('\n') for x in f.readlines()]
        for line in content:
            if 'user=' in line:
                str_line = line.strip()
                user = str_line[len('user='):].strip()
            elif 'password=' in line:
                str_line = line.strip()
                token = str_line[len('password='):].strip()
    if user is "":
        show_error_and_exit("Could not resolve github username from the file: %s. Please make " \
                            "sure that it's supplied in its own line as,\nuser= $USERNAME" % file)
    if token == "":
        show_error_and_exit("Could not resolve github token from the file: %s. Please make " \
                            "sure that it's supplied in its own line as,\npassword= $TOKEN" % file)
    return user, token
dataset/ETHPy150Open databricks/spark-package-cmd-tool/python/spark_package/spark_package.py/read_credentials_file/operator `==` -> `is`