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Selenium: Geckodriver in PATH, but nothing changed, same error saying it isn't there

When trying to do a simple line of code with selenium, it keeps saying that I have to use geckodriver in PATH. After some research, it said to put it in the system environment variables. I put the executable file as the value and saved it. I restarted the computer and tried to run my code again and it gave the same error again. I'm not sure what to do now.
Error:
Traceback (most recent call last):
File "c:\Users\CitizenZap\Downloads\AutoBuyer-master\AutoBuyer-master\test1.py", line 3, in <module>
browser = webdriver.Firefox()
File "C:\Users\CitizenZap\AppData\Local\Programs\Python\Python310\lib\site-packages\selenium\webdriver\firefox\webdriver.py", line 174, in __init__
self.service.start()
File "C:\Users\CitizenZap\AppData\Local\Programs\Python\Python310\lib\site-packages\selenium\webdriver\common\service.py", line 81, in start
selenium.common.exceptions.WebDriverException: Message: 'geckodriver' executable needs to be in PATH.
The code I'm writing:
from selenium import webdriver
browser = webdriver.Firefox()
browser.get('http://selenium.dev/')

Firstly, make sure the PATH to geckodriver is added as an environment variable.
Second,
browser = webdriver.Firefox()
the above stmt. is incorrect.This is why you get this error
.WebDriverException: Message: 'geckodriver' executable needs to be in
PATH.
it is supposed to be like this,
driver = webdriver.Firefox(executable_path = "geckodriver PATH")
put in this line finally,
driver.get('http://selenium.dev/')
It will work.

Done Numerous research but unable to get the expected output

I have tried running below code in python IDE interpreter as well as in PyCharm installing the module but still getting an error,( I have installed selenium module),
from selenium import webdriver
browser = webdriver.Firefox()
type(browser)
browser.get('http://inventwithpython.com')
------------------------------------------------------------------------------------------
Output:
Traceback (most recent call last):
File "demo.py", line 2, in <module>
browser = webdriver.Firefox()
File "/usr/lib/python3/dist-packages/selenium/webdriver/firefox/webdriver.py", line 164, in __init__
self.service.start()
File "/usr/lib/python3/dist-packages/selenium/webdriver/common/service.py", line 81, in start
raise WebDriverException(
selenium.common.exceptions.WebDriverException: Message: 'geckodriver' executable needs to be in PATH.

First look at this and install webdriver for your system.
Then add it to your system path (i don't know what is your OS so you have to find the tutorial of this by your self and it's not hard) or for temporary usage add this to your code:
browser=webdriver.Chrome(executable_path=r"C:\path\to\chromedriver.exe")
# Change Chrome to your desired browser and if you are not on Windows it doesn't have .exe

Issues running ChromeDriver and FirefoxDriver with Selenium

Tried adding the drivers to the right path. mentioned the path in the code and yet getting runtime errors with chromedriver. Cannot see what is wrong with the code. whats wrong?
Tried adding the path to the code. imported selenium and webdriver. placed the drivers in the python directory.
from selenium import webdriver
#to open the page in Chrome.firefox
driver = webdriver.Chrome("executable_path=D:\Python\Crawler\chromedriver_win32")
driver.get("http://econpy.pythonanywhere.com/ex/001.html")
given Below are the errors:
D:\Python\Crawler\venv\Scripts\python.exe D:/Python/Crawler/crawler_sel.py
Traceback (most recent call last):
File "D:\Python\Crawler\venv\lib\site-packages\selenium\webdriver\common\service.py", line 76, in start
stdin=PIPE)
File "C:\Users\vidwa\AppData\Local\Programs\Python\Python37-32\lib\subprocess.py", line 775, in __init__
restore_signals, start_new_session)
File "C:\Users\vidwa\AppData\Local\Programs\Python\Python37-32\lib\subprocess.py", line 1178, in _execute_child
startupinfo)
FileNotFoundError: [WinError 2] The system cannot find the file specified
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:/Python/Crawler/crawler_sel.py", line 5, in <module>
driver = webdriver.Chrome("executable_path=D:\Python\Crawler\chromedriver_win32")
File "D:\Python\Crawler\venv\lib\site-packages\selenium\webdriver\chrome\webdriver.py", line 73, in __init__
self.service.start()
File "D:\Python\Crawler\venv\lib\site-packages\selenium\webdriver\common\service.py", line 83, in start
os.path.basename(self.path), self.start_error_message)
selenium.common.exceptions.WebDriverException: Message: 'chromedriver_win32' executable needs to be in PATH. Please see https://sites.google.com/a/chromium.org/chromedriver/home
Process finished with exit code 1

Try the below this worked for me
from selenium import webdriver
#to open the page in Chrome.firefox
def set_up(self):
self.driver = webdriver.Chrome("D:/Python/Crawler/chromedriver_win32.exe")

Your syntax here is off. It should be:
driver = webdriver.Chrome(executable_path='D:/Python/Crawler/chromedriver_win32.exe')
I've taken quotation marks off executable_path, and added .exe extension to your file path.
Alternative solution -- If you do not want to use executable_path, you can try adding chromedriver_win32.exe to your Path variable:
from selenium import webdriver
driver = webdriver.Chrome()
driver.get("http://econpy.pythonanywhere.com/ex/001.html")
Then, in your environment variable for Path, you have something like:
D:\Python\Crawler\chromedriver_win32.exe
This guide may help you with the Path part: https://developers.refinitiv.com/sites/default/files/How%20To%20Add%20ChromeDriver%20To%20System%20Variables_0.pdf

selenium.common.exceptions.WebDriverException: Message: 'geckodriver' executable needs to be in PATH with GeckoDriver Selenium Firefox

I don't know Pycharm - or Python well enough to troubleshoot just what went wrong. It seems top me as if this simply bit of code should execute but I get a jumble of text that says nothing to me.
Anyone else using Selenium get this error and know how to fix it?
The physical code -
"C:\Users\Noah Linton\PycharmProjects\EdgenuityBot\venv\Scripts\python.exe"
"C:/Users/Noah Linton/PycharmProjects/EdgenuityBot/Edgenuity Bot"
Traceback (most recent call last):
File "C:\Users\Noah Linton\PycharmProjects\EdgenuityBot\venv\lib\site-
packages\selenium\webdriver\common\service.py", line 76, in start
stdin=PIPE)
File "C:\Program Files (x86)\Microsoft Visual
Studio\Shared\Python36_64\Lib\subprocess.py", line 709, in __init__
restore_signals, start_new_session)
File "C:\Program Files (x86)\Microsoft Visual
Studio\Shared\Python36_64\Lib\subprocess.py", line 997, in _execute_child
startupinfo)
FileNotFoundError: [WinError 2] The system cannot find the file specified
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:/Users/Noah Linton/PycharmProjects/EdgenuityBot/Edgenuity Bot", line
3, in <module>
driver = webdriver.Firefox()
File "C:\Users\Noah Linton\PycharmProjects\EdgenuityBot\venv\lib\site-
packages\selenium\webdriver\firefox\webdriver.py", line 148, in __init__
self.service.start()
File "C:\Users\Noah Linton\PycharmProjects\EdgenuityBot\venv\lib\site-
packages\selenium\webdriver\common\service.py", line 83, in start
os.path.basename(self.path), self.start_error_message)
selenium.common.exceptions.WebDriverException: Message: 'geckodriver'
executable needs to be in PATH.
Process finished with exit code 1
The executive code
from selenium import webdriver
driver = webdriver.Firefox()
driver.get("https://auth.edgenuity.com/Login/Login/Student")
button = driver.find_element_by_id('LoginSubmit')
button.click()

The error says it all :
selenium.common.exceptions.WebDriverException: Message: 'geckodriver' executable needs to be in PATH.
Which implies that GeckoDriver binary is not in the Classpath
While working with Selenium v3.x you have to download the latest GeckoDriver from this url and store it in your system and mention the absolute path while initiating the webdriver and Web Browser session as follows :
from selenium import webdriver
driver = webdriver.Firefox(executable_path="C:\\path\\to\\geckodriver.exe")
driver.get("https://auth.edgenuity.com/Login/Login/Student")
button = driver.find_element_by_id('LoginSubmit')
button.click()

For what little help it might be, the critical parts of the traceback are
FileNotFoundError: [WinError 2] The system cannot find the file specified
line 3, in <module>
driver = webdriver.Firefox()
selenium.common.exceptions.WebDriverException: Message: 'geckodriver'
executable needs to be in PATH.
It seems that the Firefox webdriver isn't in the defined search path that your main program sees. There's something called geckodriver that isn't available.
Check your installation and configuration for this package. Consult with your class instructors and classmates for help. I suspect that the repair is something with your local set-up, beyond our knowledge here.

FileNotFoundError: [WinError 2] The system cannot find the file specified though the exact same file worked previously

I have a python script that previously worked fine but now errors, so I am not sure what happened. I am getting the error that:
C:\Users\663255\Desktop>PMI_Tests.py
Traceback (most recent call last):
File "C:\Users\663255\AppData\Local\Programs\Python\Python36\lib\site-packages\selenium\webdriver\common\service.py", line 74, in start
stdout=self.log_file, stderr=self.log_file)
File "C:\Users\663255\AppData\Local\Programs\Python\Python36\lib\subprocess.py", line 707, in __init__
restore_signals, start_new_session)
File "C:\Users\663255\AppData\Local\Programs\Python\Python36\lib\subprocess.py", line 990, in _execute_child
startupinfo)
FileNotFoundError: [WinError 2] The system cannot find the file specified
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:\Users\663255\Desktop\PMI_Tests.py", line 14, in <module>
driver = webdriver.Firefox(firefox_binary=binary, executable_path=gecko+'.exe')
File "C:\Users\663255\AppData\Local\Programs\Python\Python36\lib\site-packages\selenium\webdriver\firefox\webdriver.py", line 142, in __init__
self.service.start()
File "C:\Users\663255\AppData\Local\Programs\Python\Python36\lib\site-packages\selenium\webdriver\common\service.py", line 81, in start
os.path.basename(self.path), self.start_error_message)
selenium.common.exceptions.WebDriverException: Message: 'geckodriver.exe' executable needs to be in PATH.
The start of the file looks like:
import unittest
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
import os
import time
from selenium.webdriver.firefox.firefox_binary import FirefoxBinary
from selenium.webdriver.common.action_chains import ActionChains
from urllib.request import urlopen
from html.parser import HTMLParser
gecko = os.path.normpath(os.path.join(os.path.dirname(__file__), 'geckodriver'))
binary = FirefoxBinary('C:\Program Files (x86)\Mozilla Firefox\Firefox.exe')
driver = webdriver.Firefox(firefox_binary=binary, executable_path=gecko+'.exe')
class PythonOrgSearch(unittest.TestCase):
#sets up driver to run tests
def setUp(self):
self.driver = driver
I am unsure why the file stopped working, as it had worked previously many times before. also, both python and geckodriver are definitely defined in the path, but when run via the terminal it says that geckodriver is not in the path.
I have a feeling the issue has to do with the way geckodriver (i.e. gecko variable) is defined in a weird way in the code, or something like that. I have viewed other stack overflow posts with similar problems but have not found anything that fixed my problem. I am using Python 3.6.2 if that is helpful. Any insight would be awesome. Thank you!

As a solution to this problem, I hardcoded the full path to geckodriver in the gecko variable, instead of trying to dynamically locate it. I am unsure why the dynamic approach stopped working, but hardcoding the filepath fixed any issues for me.