def vis(self, model, itr):
        """Callback for the model-filter in Viewer.
        Show/hide rows that contain info for students 
        not present in this (or any) class
        """
        av_l = model.get_value(itr, 5)
        act = model.get_value(itr, 2)
#        print 'act', act
        if type(av_l) == types.NoneType:
#            print 'av_l', av_l
            return False
 
        if av_l != '0':
            av_ls = av_l.split('/')
            av = float(av_ls[0])
        else: 
            av = 0
#        av =  self.w_model.get(itr, 0,1,2,3,4,5,6,7,8,9)
 
        if self.c_group == 0: # weak
#            print 'group - weak'
            if not act:
                if av:
                    if av < 3.5:
                        return True
                    else:
                        return False
                else:
                    return True
            else:
                return False
        elif self.c_group == 1: # strong
#            print 'group - strong'
            if not act:
                if av:
                    if av >= 3.5:
                        return True
                    else:
                        return False
                else:
                    return False
            else:
                return False
        elif self.c_group == 2: # active
#            print 'group - active'
            if not act:
                return True
            else:
                return False
        elif self.c_group == 3: # all
            return True

         command = "CREATE TABLE students (s_num INTEGER PRIMARY KEY, s_name TEXT, email TEXT, phone TEXT, photo TEXT, active TEXT, comment TEXT)"
        command2 = "CREATE TABLE attendance (a_num TEXT, s_num INTEGER, date TEXT, absence TEXT, comment TEXT)"
        command3 = "CREATE TABLE grades (g_num TEXT, s_num INTEGER, e_name TEXT, e_num INT, date TEXT, mark REAL, comment TEXT)"
        command4 = "CREATE TABLE lectures (e_id INTEGER PRIMARY KEY, date TEXT, topic TEXT, comment TEXT)"
        command5 = "CREATE TABLE seminars (e_id INTEGER PRIMARY KEY, date TEXT, topic TEXT, comment TEXT)"
        command6 = "CREATE TABLE tests (e_id INTEGER PRIMARY KEY, date TEXT, topic TEXT, comment TEXT)"
        command7 = "CREATE TABLE essays (e_id INTEGER PRIMARY KEY, date TEXT, enddate TEXT, topic TEXT, comment TEXT)"
        command8 = 'CREATE TABLE notes (c_num TEXT, s_num INTEGER, date TEXT, comment TEXT)' # TODO: make "fulfilled" or "acted_on" column
        command9 = 'CREATE TABLE assignments (a_num TEXT, s_num INTEGER, e_id INTEGER, delivered TEXT, date TEXT, mark REAL, comment TEXT)'
        for com in [command, command2, command3, command4, command5, command6, command7, command8, command9]:
cur.execute(com) # TODO: executescript()

 cursor.executescript("""
        /*
        *Создаём таблицы:
        *.......
        /*
        CREATE TABLE students (s_num INTEGER PRIMARY KEY, s_name TEXT, email TEXT, phone TEXT, photo TEXT, active TEXT, comment TEXT);
        CREATE TABLE grades (g_num TEXT, s_num INTEGER, e_name TEXT, e_num INT, date TEXT, mark REAL, comment TEXT);
        CREATE TABLE lectures (e_id INTEGER PRIMARY KEY, date TEXT, topic TEXT, comment TEXT);
        CREATE TABLE seminars (e_id INTEGER PRIMARY KEY, date TEXT, topic TEXT, comment TEXT);
        CREATE TABLE tests (e_id INTEGER PRIMARY KEY, date TEXT, topic TEXT, comment TEXT);
        CREATE TABLE essays (e_id INTEGER PRIMARY KEY, date TEXT, enddate TEXT, topic TEXT, comment TEXT);
        CREATE TABLE notes (c_num TEXT, s_num INTEGER, date TEXT, comment TEXT);
        CREATE TABLE assignments (a_num TEXT, s_num INTEGER, e_id INTEGER, delivered TEXT, date TEXT, mark REAL, comment TEXT);
""")

 #!/usr/bin/env python2
# -*- coding: utf-8 -*-
import sys
from pylint import epylint as lint
argv = sys.argv
modname = argv[1]
#(pylint_stdout, pylint_stderr) = lint.py_run(modname, return_std=True)
#lint.py_run(modname)
lint.py_run()

 Fatal Python error: Py_Initialize: Unable to get the locale encoding
  File "/usr/lib/python2.7/encodings/__init__.py", line 123
    raise CodecRegistryError,\
                            ^
SyntaxError: invalid syntax
Current thread 0x00007f13dc640400 (most recent call first):