Small code improvements

Recommended by @withshubh's DeepSource bot. Thanks!

Author: withshubh

helium/_impl/__init__.py

@@ -1044,14 +1044,10 @@ def get_element_types(self):
 		raise NotImplementedError()
 
 class ClickableText(CompositeElement):
-	def __init__(self, driver, text, **kwargs):
-		super(ClickableText, self).__init__(driver, text, **kwargs)
 	def get_element_types(self):
 		return [ButtonImpl, TextImpl, ImageImpl]
 
 class TextFieldImpl(CompositeElement):
-	def __init__(self, driver, label=None, **kwargs):
-		super(TextFieldImpl, self).__init__(driver, label, **kwargs)
 	def get_element_types(self):
 		return [
 			StandardTextFieldWithPlaceholder, StandardTextFieldWithLabel,
@@ -1112,8 +1108,6 @@ def get_xpath(self):
 		return "//input[@type='file']"
 
 class ComboBoxImpl(CompositeElement):
-	def __init__(self, driver, label=None, **kwargs):
-		super(ComboBoxImpl, self).__init__(driver, label, **kwargs)
 	def get_element_types(self):
 		return [ComboBoxIdentifiedByDisplayedValue, ComboBoxIdentifiedByLabel]
 	def is_editable(self):

tests/api/test_gui_elements.py

@@ -256,7 +256,7 @@ def test_link_empty_href(self):
 	# ListItem tests:
 	def test_list_item_no_text(self):
 		all_list_items = find_all(ListItem(below="HTML Unordered List"))
-		texts = set(list_item.web_element.text for list_item in all_list_items)
+		texts = {list_item.web_element.text for list_item in all_list_items}
 		self.assertEqual({'ListItem 1', 'ListItem 2'}, texts)
 
 	# Image tests:

tests/api/test_rightclick.py

@@ -1,4 +1,4 @@
-from helium import click, hover, rightclick
+from helium import click, rightclick
 from tests.api import BrowserAT
 
 class RightclickTest(BrowserAT):