def is_running(self):
<EOL>try:<EOL><INDENT>return self.inspect(refresh=True)["<STR_LIT>"]["<STR_LIT>"]<EOL><DEDENT>except NotFound:<EOL><INDENT>return False<EOL><DEDENT>
returns True if the container is running, this method should always ask the API and
should not use a cached value

:return: bool