[py] remove py2 import code

py/selenium/webdriver/common/service.py

@@ -14,6 +14,7 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
+from subprocess import DEVNULL
 
 import errno
 import os
@@ -24,12 +25,8 @@
 from selenium.common.exceptions import WebDriverException
 from selenium.webdriver.common import utils
 
-try:
-    from subprocess import DEVNULL
-    _HAS_NATIVE_DEVNULL = True
-except ImportError:
-    DEVNULL = -3
-    _HAS_NATIVE_DEVNULL = False
+
+_HAS_NATIVE_DEVNULL = True
 
 
 class Service(object):
@@ -119,13 +116,8 @@ def is_connectable(self):
         return utils.is_connectable(self.port)
 
     def send_remote_shutdown_command(self):
-        try:
-            from urllib import request as url_request
-            URLError = url_request.URLError
-        except ImportError:
-            import urllib2 as url_request
-            import urllib2
-            URLError = urllib2.URLError
+        from urllib import request as url_request
+        URLError = url_request.URLError
 
         try:
             url_request.urlopen("%s/shutdown" % self.service_url)

py/selenium/webdriver/common/utils.py

@@ -122,10 +122,7 @@ def is_url_connectable(port: Union[int, str]) -> bool:
     :Args:
      - port - The port to connect.
     """
-    try:
-        from urllib import request as url_request
-    except ImportError:
-        import urllib2 as url_request  # type: ignore  # python2 stuff
+    from urllib import request as url_request
 
     try:
         res = url_request.urlopen("http://127.0.0.1:%s/status" % port)

py/selenium/webdriver/safari/webdriver.py

@@ -15,10 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
-try:
-    import http.client as http_client
-except ImportError:
-    import httplib as http_client
+import http.client as http_client
+
 
 import warnings
 

py/selenium/webdriver/webkitgtk/webdriver.py

@@ -15,10 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
-try:
-    import http.client as http_client
-except ImportError:
-    import httplib as http_client
+import http.client as http_client
+
 
 from selenium.webdriver.remote.webdriver import WebDriver as RemoteWebDriver
 from .service import Service

py/selenium/webdriver/wpewebkit/webdriver.py

@@ -15,10 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
-try:
-    import http.client as http_client
-except ImportError:
-    import httplib as http_client
+import http.client as http_client
+
 
 from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
 from selenium.webdriver.remote.webdriver import WebDriver as RemoteWebDriver

py/test/selenium/webdriver/common/window_switching_tests.py

@@ -29,10 +29,7 @@
 def close_windows(driver):
     main_windows_handle = driver.current_window_handle
     yield
-    try:
-        from urllib import request as url_request
-    except ImportError:
-        import urllib2 as url_request
+    from urllib import request as url_request
     URLError = url_request.URLError
 
     try:

py/test/selenium/webdriver/support/event_firing_webdriver_tests.py

@@ -15,10 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
-try:
-    from io import BytesIO
-except ImportError:
-    from cStringIO import StringIO as BytesIO
+
+from io import BytesIO
 
 import pytest
 

py/test/unit/selenium/webdriver/remote/remote_connection_tests.py

@@ -19,10 +19,9 @@
 import urllib3
 import pytest
 
-try:
-    from urllib import parse
-except ImportError:  # above is available in py3+, below is py2.7
-    import urlparse as parse
+
+from urllib import parse
+
 
 from selenium import __version__
 from selenium.webdriver.remote.remote_connection import (