<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_version():
 """Get the version info from the mpld3 package without importing it"""

    import ast

    with open(os.path.join("cyvcf2", "__init__.py"), "r") as init_file:
      module = ast.parse(init_file.read())

    version = (ast.literal_eval(node.value) for node in ast.walk(module)
         if isinstance(node, ast.Assign)
         and node.targets[0].id == "__version__")
    try:
      return next(version)
    except StopIteration:
          raise ValueError("version could not be located")