在运行代码时，Astropy的Modulenotfound错误

Question

我正在尝试在Spyder中运行一些涉及Astropy的代码。我安装了模块，但仍然说找不到模块：每当我运行它时Astropy。我不知道为什么它会继续返回此错误。这是代码（已修改以保护信息）：

import numpy as np
import matplotlib.pyplot as plt 
from astropy.io import ascii
from astropy import table
import astropy.io.fits as pyfits
from astropy.coordinates import SkyCoord
from astropy import units as u
import os
from function_file import *
import emcee
from scipy import stats
from scipy import ndimage
import mpfit
import re
import time
import pyfits
from matplotlib.patches import Ellipse
import corner
import sys
import os
sys.path.append(os.path.abspath('/Users/myname/Desktop/Code/importantfunction.py'))
import importantfunction