InvalidArgumentException: Message: invalid argument: 'using' must be a string

Question

I'm very new to python, trying to create reusable code. when I try to call the class Login and function login_user in test_main.py by passing all the arguments that were used under Login class, I'm getting an error as InvalidArgumentException: Message: invalid argument: 'using' must be a string.

test_main.py file which runs on pytest.

Locators_test is the class of test_Locators.py file where I have all my xpaths

test_main.py

def test_setup():

driver = webdriver.Chrome(executable_path= Locators_test.browser_path)
driver.maximize_window()
driver.delete_all_cookies()
driver.get(homePage)
driver.implicitly_wait(5)
yield
print("test complete")

test_Locators.py

class Locators_test():

loginlink_xpath = "//a[@id='login-link']"
login_email = "xxxxx"
login_password = "xxxxx"
loginemail_id = "dnn_ctr1179_Login_txtEmail"
loginpassword_id = "dnn_ctr1179_Login_txtPassword"
clicklogin_id = "dnn_ctr1179_Login_btnLogin"

test_login.py

from Smoketest.locatorfile.test_Locators import Locators_test

class Login():

def __init__(self,driver):

    self.driver = driver

def login_user(self,driver):
    try:
        loginButton = self.driver.find_element((By.XPATH, Locators_test.loginlink_xpath))
        while loginButton.click() is True:
            break
        time.sleep(3)
        self.driver.execute_script("window.scrollBy(0,300);")

        EmailField = self.driver.find_element((By.ID, Locators_test.loginemail_id))
        EmailField.send_keys(Locators_test.login_email)

        PasswordField = self.driver.find_element((By.ID, Locators_test.loginpassword_id))
        PasswordField.send_keys(Locators_test.login_password)

        ClickLogin = self.driver.find_element((By.ID, Locators_test.clicklogin_id))
        while ClickLogin.click() is True:
            break

        time.sleep(5)

        userName = self.driver.find_element((By.XPATH, Locators_test.username_xpath))
        print("Logged in as", userName.text)



    except StaleElementReferenceException or ElementClickInterceptedException or TimeoutException as ex:
        print(ex.message)

test_main.py

def test_login(test_setup):

from Smoketest.pages.test_login import Login

lo = Login(driver)
lo.login_user(((Locators_test.loginlink_xpath,Locators_test.loginemail_id,Locators_test.login_email,Locators_test.loginpassword_id,Locators_test.login_password,Locators_test.clicklogin_id,Locators_test.username_xpath)))

Answer 1

I fixed it myself by removing the extra pair of parenthesis from the line

loginButton = self.driver.find_element((By.XPATH, Locators_test.loginlink_xpath)).

Right way is

loginButton = self.driver.find_element(By.XPATH, Locators_test.loginlink_xpath)

ps: this applies to all the lines.