Clean code

src/sakia/__init__.py

-__version_info__ = ('0', '20', '7')
+__version_info__ = ('0', '30', '0')
 __version__ = '.'.join(__version_info__)

src/sakia/data/entities/dividend.py

 import attr
-from duniterpy.documents import block_uid
 
 
 @attr.s()

src/sakia/data/entities/source.py

 import attr
-from duniterpy.documents import block_uid
 
 
 @attr.s()

src/sakia/tests/__init__.py

-from .quamash_utils import QuamashTest
\ No newline at end of file

src/sakia/tests/quamash_utils.py

-import asyncio
-import quamash
-import socket
-from aiohttp import web, log
-
-_application_ = []
-
-
-class QuamashTest:
-    def setUpQuamash(self):
-        self.qapplication = get_application()
-        self.lp = quamash.QSelectorEventLoop(self.qapplication)
-        asyncio.set_event_loop(self.lp)
-        self.lp.set_exception_handler(lambda l, c: unitttest_exception_handler(self, l, c))
-        self.exceptions = []
-        self.handler = None
-
-    def tearDownQuamash(self):
-        try:
-            self.lp.close()
-        finally:
-            asyncio.set_event_loop(None)
-
-        for exc in self.exceptions:
-            raise exc
-
-
-def unitttest_exception_handler(test, loop, context):
-    """
-    An exception handler which exists the program if the exception
-    was not catch
-    :param loop: the asyncio loop
-    :param context: the exception context
-    """
-    if 'exception' in context:
-        exception = context['exception']
-    else:
-        exception = BaseException(context['message'])
-    test.exceptions.append(exception)
-
-
-def get_application():
-    """Get the singleton QApplication"""
-    from quamash import QApplication
-    if not len(_application_):
-        application = QApplication.instance()
-        if not application:
-            import sys
-            application = QApplication(sys.argv)
-        _application_.append( application )
-    return _application_[0]
-

src/sakia/tests/unit/data/test_certifications_repo.py

 from sakia.data.repositories import CertificationsRepo
 from sakia.data.entities import Certification
-from duniterpy.documents import BlockUID
 
 
 def test_add_get_drop_blockchain(meta_repo):