Revert changes in shadowroot.py

Author: gryznar

py/selenium/webdriver/remote/shadowroot.py

@@ -16,15 +16,9 @@
 # under the License.
 
 from hashlib import md5 as md5_hash
-from typing import List
-from typing import Optional
-from typing import Union
 
 from ..common.by import By
-from ..common.by import ByType
-from ..support.relative_locator import RelativeBy
 from .command import Command
-from .webelement import WebElement
 
 
 class ShadowRoot:
@@ -45,7 +39,7 @@ def __repr__(self) -> str:
             type(self), self.session.session_id, self._id
         )
 
-    def find_element(self, by: Union[ByType, RelativeBy] = By.ID, value: Optional[str] = None) -> WebElement:
+    def find_element(self, by: str = By.ID, value: str = None):
         """Find an element inside a shadow root given a By strategy and
         locator.
 
@@ -84,7 +78,7 @@ def find_element(self, by: Union[ByType, RelativeBy] = By.ID, value: Optional[st
 
         return self._execute(Command.FIND_ELEMENT_FROM_SHADOW_ROOT, {"using": by, "value": value})["value"]
 
-    def find_elements(self, by: Union[ByType, RelativeBy] = By.ID, value: Optional[str] = None) -> List[WebElement]:
+    def find_elements(self, by: str = By.ID, value: str = None):
         """Find elements inside a shadow root given a By strategy and locator.
 
         Parameters: