Update API.md

[counter2015]

The goal of this PR is to optimize the examples in the documentation. The original examples in the documentation triggered warnings in the IDE which says "Local variable 'response' might be referenced before assignment ". The revised version is consistent with the actual usage in the source code.

minio-py/minio/api.py

Lines 1133 to 1161 in a7b443d

	response = None
	try:
	response = self.get_object(
	bucket_name,
	object_name,
	request_headers=request_headers,
	ssec=ssec,
	version_id=version_id,
	extra_query_params=extra_query_params,
	)
	if progress:
	# Set progress bar length and object name before upload
	length = int(response.headers.get('content-length', 0))
	progress.set_meta(object_name=object_name, total_length=length)
	with open(tmp_file_path, "wb") as tmp_file:
	for data in response.stream(amt=1024 * 1024):
	size = tmp_file.write(data)
	if progress:
	progress.update(size)
	if os.path.exists(file_path):
	os.remove(file_path) # For windows compatibility.
	os.rename(tmp_file_path, file_path)
	return stat
	finally:
	if response:
	response.close()
	response.release_conn()