Fix invalid python3 syntax

Syntax checking using python3 ...
Python 3.7.2+
File "./connectors/PYRO/__init__.py", line 76
except Exception, e:
^
SyntaxError: invalid syntax

Syntax error in ./connectors/PYRO/__init__.py
File "./connectors/PYRO/PSK_Adapter.py", line 40
except ProtocolError, x:
^
SyntaxError: invalid syntax

Syntax error in ./s.py
File "./runtime/Worker.py", line 67
raise _job.exc_info[0], _job.exc_info[1], _job.exc_info[2]
^
SyntaxError: invalid syntax

<?xml version='1.0' encoding='utf-8'?>
<BeremizRoot xmlns:xsd="http://www.w3.org/2001/XMLSchema" URI_location="LOCAL://">
  <TargetType>
    <Linux/>
  </TargetType>
</BeremizRoot>