View difference between Paste ID: bATWx89M and DjfY2NcP

 from __future__ import print_function
 import time
 import sys
 import subprocess
 from pyvirtualdisplay import Display
 from selenium import webdriver
 from selenium.webdriver.common.keys import Keys
 from selenium.webdriver.firefox.options import Options
 from selenium.webdriver.common.by import By
 from selenium.webdriver.support.ui import WebDriverWait
 from selenium.webdriver.support import expected_conditions as EC
 
 # Requires xvfb, Firefox, geckodriver, PyVirtualDisplay, and Selenium.
 # apt install xvfb
 # apt install firefox
 # pip install pyvirtualdisplay
 # pip install selenium
 # https://github.com/mozilla/geckodriver/releases
 
 display = Display(visible=0, size=(800, 600))
 display.start()
 
 options = Options()
 options.headless = True
-driver = webdriver.Firefox(options=options)
+
 username = 'email'
 password = 'password'
 PVOUTPUT_APIKEY = 'apikey'
 PVOUTPUT_SYSTEMID = 'system id number'
 
 # setup a web scraping session
 browser = webdriver.Firefox(options=options)
-browser = webdriver.Firefox()
+
 browser.get('https://solarnoc.datareadings.com/legacy/login/')
 
 # log into website
 browser.find_element_by_id("username").send_keys(username)
 browser.find_element_by_id("password").send_keys(password)
 browser.find_element_by_xpath('//*[@class="btn btn-primary"]').click()
 
 # grab power and energy values
 power = browser.find_element_by_name("instantValue").text
 energy = browser.find_element_by_name("lifetimeValue").text
 
 if power == 'Offline':
    power = '0'
 
 power = power.replace(',', '')
 energy = energy.replace(',', '')
 
 #Output values to a file
 f = open('spreadsheet.csv','a')
 print(time.strftime("%m/%d/%Y")+", "+time.strftime("%H:%M")+", "+power+", "+energy, file=f)
 f.close()
 
 # Upload to pvoutput.org
 t_date = 'd={0}'.format(time.strftime('%Y%m%d'))
 t_time = 't={0}'.format(time.strftime('%H:%M'))
 t_energy = 'v1={0}'.format(1000*float(energy))
 t_power = 'v2={0}'.format(1000*float(power))
 cmd = ['/usr/bin/curl',
   '-d', t_date,
   '-d', t_time,
   '-d', t_energy,
   '-d', t_power,
   '-d', 'c1=1',
   '-H', 'X-Pvoutput-Apikey: ' + PVOUTPUT_APIKEY,
   '-H', 'X-Pvoutput-SystemId: ' + PVOUTPUT_SYSTEMID,
   'http://pvoutput.org/service/r2/addstatus.jsp']
 # print(cmd)
 ret = subprocess.call (cmd)
 # print(ret)
 
 browser.quit()
 display.stop()