Remove spoiner and place in main text

Author: anenadic

episodes/12-virtual-environments.md

@@ -494,8 +494,6 @@ Once again, we can use `pip` to install our local package:
 python3 -m pip install --editable .
 ```
 
-:::::::::::::::::::::::::::::::::::::::::  spoiler
-
 If the above command fails for you - your `pip` installation is older than version 21.3.
 Such older versions of `pip` do not support `pyproject.toml` as the package metadata.
 Given these versions of `pip` are now over 4 years old, we strongly recommend that you update `pip` if you can with:
@@ -504,8 +502,6 @@ Given these versions of `pip` are now over 4 years old, we strongly recommend th
 python3 -m pip install --upgrade pip
 ```
 
-:::::::::::::::::::::::::::::::::::::::::
-
 This is similar syntax to above, with two important differences:
 
 1. The `--editable` or `-e` flag indicates that the package we are specifying should be an "editable" install.
@@ -515,7 +511,6 @@ This is similar syntax to above, with two important differences:
    The `pyproject.toml` file located in this directory then handles the rest.
 
 
-
 If we reissue the `pip list` command we should now see our local package with the name `python-intermediate-inflammation` in the output:
 
 ```output