type the following in the terminal to install:
pip install sedcreator
sedcreator has the following strict requirements:
Python 3.6 or later
Numpy 1.17 or later
Astropy 4.3.1 or later
Photutils 1.0.0 or later
Astroquery 0.4.3 or later
SciPy 1.5 or later
matplotlib
tqmd