To Start: Place all the chili ingredients in the Instant Pot (affiliate link) and set to soup mode (30 minutes). To Finish: Release the steam, stir in the pumpkin and black beans, and season with more salt, more spice, etc. Serve with avocado, lime wedges, cilantro, tortilla chips, rice, cornbread... whatever you like with your chili! If it's too thick, you can always thin it out with additional water or broth.