Launching py.test with arguments /Users/tester/Documents/my_docs/Barancev_training/python_training1.0/tests in /Users/tester/Documents/my_docs/Barancev_training/python_training1.0/tests

============================= test session starts ==============================
platform darwin -- Python 3.6.0, pytest-3.6.3, py-1.5.4, pluggy-0.6.0
rootdir: /Users/tester/Documents/my_docs/Barancev_training/python_training1.0/tests, inifile:
test_delete_contact_from_group.py:None (test_delete_contact_from_group.py)
test_delete_contact_from_group.py:6: in <module>
    db_orm = ORMFixture(host="127.0.0.1", database="addressbook", user="root", password="")
../fixture/orm.py:40: in __init__
    self.db.bind('mysql', host=host, database=database, user=user, password=password, conv=conv)
<string>:2: in bind
    ???
/Users/tester/venv/python_training1.0/lib/python3.6/site-packages/pony/utils/utils.py:58: in cut_traceback
    return func(*args, **kwargs)
/Users/tester/venv/python_training1.0/lib/python3.6/site-packages/pony/orm/core.py:657: in bind
    self._bind(*args, **kwargs)
/Users/tester/venv/python_training1.0/lib/python3.6/site-packages/pony/orm/core.py:661: in _bind
    throw(TypeError, 'Database object was already bound to %s provider' % self.provider.dialect)
/Users/tester/venv/python_training1.0/lib/python3.6/site-packages/pony/utils/utils.py:98: in throw
    raise exc
E   TypeError: Database object was already bound to MySQL provider
collected 19 items / 1 errors

==================================== ERRORS ====================================
______________ ERROR collecting test_delete_contact_from_group.py ______________
test_delete_contact_from_group.py:6: in <module>
    db_orm = ORMFixture(host="127.0.0.1", database="addressbook", user="root", password="")
../fixture/orm.py:40: in __init__
    self.db.bind('mysql', host=host, database=database, user=user, password=password, conv=conv)
<string>:2: in bind
    ???
/Users/tester/venv/python_training1.0/lib/python3.6/site-packages/pony/utils/utils.py:58: in cut_traceback
    return func(*args, **kwargs)
/Users/tester/venv/python_training1.0/lib/python3.6/site-packages/pony/orm/core.py:657: in bind
    self._bind(*args, **kwargs)
/Users/tester/venv/python_training1.0/lib/python3.6/site-packages/pony/orm/core.py:661: in _bind
    throw(TypeError, 'Database object was already bound to %s provider' % self.provider.dialect)
/Users/tester/venv/python_training1.0/lib/python3.6/site-packages/pony/utils/utils.py:98: in throw
    raise exc
E   TypeError: Database object was already bound to MySQL provider
!!!!!!!!!!!!!!!!!!! Interrupted: 1 errors during collection !!!!!!!!!!!!!!!!!!!!
=========================== 1 error in 1.27 seconds ============================
Process finished with exit code 0