code: def roll_alpha_beta(returns, factor_returns, window=10, **kwargs):
      
      returns, factor_returns = _aligned_series(returns, factor_returns)
  
      return roll_alpha_beta_aligned(
          returns,
          factor_returns,
          window=window,
          **kwargs
      )
docs: Computes alpha and beta over a rolling window.
  
      Parameters
      ----------
      lhs : array-like
          The first array to pass to the rolling alpha-beta.
      rhs : array-like
          The second array to pass to the rolling alpha-beta.
      window : int
          Size of the rolling window in terms of the periodicity of the data.
      out : array-like, optional
          Array to use as output buffer.
          If not passed, a new array will be created.
      **kwargs
          Forwarded to :func:`~empyrical.alpha_beta`.