Utils# get_instance_id(single, family_id, j)[source]# Return the instance id is_module_loaded(module_import_name)[source]# Checks if a given module has already been loaded. BEWARE: the argument should be the true name of a module, not an alias. That is for > import foo as bar one should pass “foo” to this function make_folder_if_do_not_exist(path)[source]# Create a folder if it does not exist rotate(vector, shift)[source]# Rotate a vector