diff --git a/undetected_chromedriver/__init__.py b/undetected_chromedriver/__init__.py
index a735fe5..362a143 100644
--- a/undetected_chromedriver/__init__.py
+++ b/undetected_chromedriver/__init__.py
@@ -86,7 +86,9 @@ class Chrome:
         )
         instance.execute_cdp_cmd(
             "Network.setUserAgentOverride",
-            {"userAgent": original_user_agent_string.replace("Headless", ""),},
+            {
+                "userAgent": original_user_agent_string.replace("Headless", ""),
+            },
         )
         if emulate_touch:
             instance.execute_cdp_cmd(
@@ -103,7 +105,6 @@ class Chrome:
 
 
 class ChromeOptions:
-
     def __new__(cls, *args, **kwargs):
         if not ChromeDriverManager.installed:
             ChromeDriverManager(*args, **kwargs).install()
@@ -232,10 +233,10 @@ class ChromeDriverManager(object):
     @staticmethod
     def random_cdc():
         cdc = random.choices(string.ascii_lowercase, k=26)
-        cdc[-6: -4] = map(str.upper, cdc[-6: -4])
+        cdc[-6:-4] = map(str.upper, cdc[-6:-4])
         cdc[2] = cdc[0]
-        cdc[3] = '_'
-        return ''.join(cdc).encode()
+        cdc[3] = "_"
+        return "".join(cdc).encode()
 
     def patch_binary(self):
         """
diff --git a/undetected_chromedriver/v2.py b/undetected_chromedriver/v2.py
index 86a40d6..598baed 100644
--- a/undetected_chromedriver/v2.py
+++ b/undetected_chromedriver/v2.py
@@ -76,8 +76,10 @@ def find_chrome_executable():
         for item in os.environ.get("PATH").split(os.pathsep):
             for subitem in ("google-chrome", "chromium", "chromium-browser"):
                 candidates.add(os.sep.join((item, subitem)))
-        if 'darwin' in sys.platform:
-            candidates.update(["/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"])
+        if "darwin" in sys.platform:
+            candidates.update(
+                ["/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"]
+            )
     else:
         for item in map(
             os.environ.get, ("PROGRAMFILES", "PROGRAMFILES(X86)", "LOCALAPPDATA")
@@ -94,8 +96,9 @@ def find_chrome_executable():
 
 
 class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
-    
-    __doc__ =   """\
+
+    __doc__ = (
+        """\
     --------------------------------------------------------------------------
     NOTE: 
     Chrome has everything included to work out of the box.
@@ -103,7 +106,9 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
     any customizations MAY lead to trigger bot migitation systems.
     
     --------------------------------------------------------------------------
-    """ + selenium.webdriver.remote.webdriver.WebDriver.__doc__
+    """
+        + selenium.webdriver.remote.webdriver.WebDriver.__doc__
+    )
 
     _instances = set()
 
@@ -315,7 +320,7 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
 
     def __exit__(self, exc_type, exc_val, exc_tb):
         self.service.stop()
-        #threading.Timer(self.factor, self.service.start).start()
+        # threading.Timer(self.factor, self.service.start).start()
         time.sleep(self.delay)
         self.service.start()
 
@@ -327,7 +332,7 @@ class Patcher(object):
     url_repo = "https://chromedriver.storage.googleapis.com"
 
     def __init__(
-            self, target_path="./chromedriver", force=False, version_main: int = 0
+        self, target_path="./chromedriver", force=False, version_main: int = 0
     ):
         if not IS_POSIX:
             if not target_path[-4:] == ".exe":
@@ -374,14 +379,10 @@ class Patcher(object):
         :return: version string
         :rtype: LooseVersion
         """
-        path = (
-            "/"
-            + (
-                "latest_release"
-                if not self.version_main
-                else f"latest_release_{self.version_main}"
-            ).upper()
-        )
+        path = "/latest_release"
+        if self.version_main:
+            path += f"_{self.version_main}"
+        path = path.upper()
         logger.debug("getting release number from %s" % path)
         return LooseVersion(urlopen(self.url_repo + path).read().decode())
 
@@ -414,7 +415,7 @@ class Patcher(object):
             os.makedirs(os.path.dirname(self.target_path), mode=0o755)
         except OSError:
             pass
-        with zipfile.ZipFile(self.zipname, mode='r') as zf:
+        with zipfile.ZipFile(self.zipname, mode="r") as zf:
             zf.extract(self.exename)
         os.rename(self.exename, self.target_path)
         os.remove(self.zipname)
@@ -497,9 +498,6 @@ class Patcher(object):
                     linect += 1
             return linect
 
-    
-        
-
 
 class ChromeOptions(selenium.webdriver.chrome.webdriver.Options):
     pass