How does “Import *” work exactly? Why does Vscode sometimes complains and sometimes not. /u/wnluk Python Education

I’m relatively new to python. I mean, I used it sometimes over the years whenever I needed anything small, but I never bothered to really learn it, never taken it seriously.
Now I wanted to learn networking, it sounds interesting, so I wanted to learn scapy.
I figured I’ll ask ChatGPT for a jumping-off point, and then I go from there. So I import:
from scapy.all import ICMP,IP,sr1
But then I think I can instead just write:
from scapy.all import *
And Vscode starts complaining.
What’s curious, it complains about ICMP() and IP(), but not sr1().
I get something like “IP is not defined”
What is happening? Shouldn’t “import *” import everything?
GPT tells me that “import *” is against the best practice, and I get that, but just because I shouldn’t doesn’t mean I’m not allowed to. Does it?

I’m relatively new to python. I mean, I used it sometimes over the years whenever I needed anything small, but I never bothered to really learn it, never taken it seriously.
Now I wanted to learn networking, it sounds interesting, so I wanted to learn scapy.
I figured I’ll ask ChatGPT for a jumping-off point, and then I go from there. So I import:
from scapy.all import ICMP,IP,sr1
But then I think I can instead just write:
from scapy.all import *
And Vscode starts complaining.
What’s curious, it complains about ICMP() and IP(), but not sr1().
I get something like “IP is not defined”
What is happening? Shouldn’t “import *” import everything?
GPT tells me that “import *” is against the best practice, and I get that, but just because I shouldn’t doesn’t mean I’m not allowed to. Does it?