fix problem running PLCOpenEditor

$ ./PLCOpenEditor.py
../src/common/stdpbase.cpp(62): assert "traits" failed in Get(): create wxApp before calling this

Regression was introduced by '3311eea' (clean-up: fix PEP8 E402 module level import not at top of file)

     1

.. Beremiz documentation master file

     2

     3

Beremiz's documentation

     4

=======================

     5

     6

Contents:

     7

     8

.. toctree::

     9

   :maxdepth: 2

    10

    11

   overview

    12

   manual/index

    13

   standards

    14