[pylint] searx/network/__init__.py & add global (THREADLOCAL)
[pylint] searx/network/__init__.py & add global (THREADLOCAL)

No functional change!

- fix messages from pylint
- add ``global THREADLOCAL``
- normalized various indentation

Signed-off-by: Markus Heiser <14dfd67dd72e7ac80c040b62bb932f1e121795cc@darmarit.de>

dalf/searx,dalf/searx,dalf/searx,dalf/searx