code: def _ensure_module_folder_exists():
    
    if not os.path.isdir(MODULES_FOLDER_PATH):
      try:
        os.mkdir(MODULES_FOLDER_PATH)
      except OSError, e:
        if "file already exists" in str(e):
          raise RuntimeError("Could not create modules folder: file exists with the same name")
docs: Checks to see if the module folder exists. If it does not, create it.
    If there is an existing file with the same name, we raise a RuntimeError.