flake8: fix compatibility issues

Part of #270

Author: DifferentialOrange

tarantool/__init__.py

@@ -142,4 +142,4 @@ def connectmesh(addrs=({'host': 'localhost', 'port': 3301},), user=None,
 __all__ = ['connect', 'Connection', 'connectmesh', 'MeshConnection', 'Schema',
            'Error', 'DatabaseError', 'NetworkError', 'NetworkWarning',
            'SchemaError', 'dbapi', 'Datetime', 'Interval', 'IntervalAdjust',
-           'ConnectionPool', 'Mode', 'BoxError',]
+           'ConnectionPool', 'Mode', 'BoxError']

tarantool/const.py

@@ -136,7 +136,7 @@
 # Tarantool 2.10 protocol version is 3
 CONNECTOR_IPROTO_VERSION = 3
 # List of connector-supported features
-CONNECTOR_FEATURES = [IPROTO_FEATURE_ERROR_EXTENSION,]
+CONNECTOR_FEATURES = [IPROTO_FEATURE_ERROR_EXTENSION]
 
 # Authenticate with CHAP-SHA1 (Tarantool CE and EE)
 AUTH_TYPE_CHAP_SHA1 = "chap-sha1"