Fix send_keys with variable argument by removing variable expansion. (#8840)

Co-authored-by: David Burns <[email protected]>

Author: sufyanAbbasi

py/selenium/webdriver/remote/webelement.py

@@ -534,10 +534,10 @@ def send_keys(self, *value):
         # transfer file to another machine only if remote driver is used
         # the same behaviour as for java binding
         if self.parent._is_remote:
-            local_files = list(map(lambda keys_to_send:
-                                   self.parent.file_detector.is_local_file(keys_to_send),
-                                   ''.join(*value).split('\n')))
-            if None not in local_files:
+            local_files = list(map(lambda keys_to_send: 
+                self.parent.file_detector.is_local_file(keys_to_send),
+                ''.join(value).split('\n')))
+            if not None in local_files:
                 remote_files = []
                 for file in local_files:
                     remote_files.append(self._upload(file))