unused 'checksum' parameter in upload_from_string method

[HemangChothani]

Parameter checksum exposed in upload_from_string method but didn't pass to the internal method upload_from_file

python-storage/google/cloud/storage/blob.py

Lines 2474 to 2486 in 9d5bb56

	def upload_from_string(
	self,
	data,
	content_type="text/plain",
	client=None,
	predefined_acl=None,
	if_generation_match=None,
	if_generation_not_match=None,
	if_metageneration_match=None,
	if_metageneration_not_match=None,
	timeout=_DEFAULT_TIMEOUT,
	checksum=None,
	):

python-storage/google/cloud/storage/blob.py

Lines 2567 to 2577 in 9d5bb56

	self.upload_from_file(
	file_obj=string_buffer,
	size=len(data),
	content_type=content_type,
	client=client,
	predefined_acl=predefined_acl,
	if_generation_match=if_generation_match,
	if_generation_not_match=if_generation_not_match,
	if_metageneration_match=if_metageneration_match,
	if_metageneration_not_match=if_metageneration_not_match,
	timeout=timeout,