Previously running run_tests.sh -p would *always* run
outside of the virtual environment. This commit makes -p
work equally well with -N (no-virtual-env) and -V (virtual-env).
Change-Id: I214404e85af2122b2ea7330e6496848a1e0d7ddf
-V|--virtual-env) let always_venv=1; let never_venv=0;;
-N|--no-virtual-env) let always_venv=0; let never_venv=1;;
-f|--force) let force=1;;
- -p|--pep8) let just_pep8=1;let never_venv=1; let always_venv=0;;
+ -p|--pep8) let just_pep8=1;;
-P|--no-pep8) no_pep8=1;;
-l|--pylint) let just_pylint=1; let never_venv=1; let always_venv=0;;
-c|--coverage) coverage=1;;