enable non-latin variable descriptions in CodeFileEditor

fix following backtrace:

UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-7: ordinal not in range(128)
Traceback (most recent call last):
File "beremiz/editors/CodeFileEditor.py", line 610, in GetValue
return str(self.data[row].get(self.GetColLabelValue(col, False), ""))
UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-7: ordinal not in range(128)

     1

from pyjs.jsonrpc import JSONRPCServiceBase

     2

     3

class JSONRPCService(JSONRPCServiceBase):

     4

     5

    def serve(self):

     6

        return self.process(request.body.read())

     7

     8

    def __call__(self,func):

     9

        self.methods[func.__name__]=func

    10

        return func

    11