The document at <> says:
Isolate your code from environmental variables, delete them or set them to a new value.
>>> fixture = fixtures.EnvironmentVariableFixture('HOME')
But it is not at all clear whether that isolates (how?), deletes or sets to a new value. Regardless of which it does, it's unclear how to achieve the other two without looking at the source code.
The document at <> says:
Isolate your code from environmental variables, delete them or set them to a new value.
>>> fixture = fixtures. EnvironmentVari ableFixture( 'HOME')
But it is not at all clear whether that isolates (how?), deletes or sets to a new value. Regardless of which it does, it's unclear how to achieve the other two without looking at the source code.