pylint: fix Windows compatibility

Follows #270

Author: DifferentialOrange

tarantool/connection.py

@@ -913,6 +913,7 @@ def connect_unix(self):
 
         :meta private:
         """
+        # pylint: disable=no-member
 
         try:
             # If old socket already exists - close it and re-create
@@ -1212,6 +1213,7 @@ def check():  # Check that connection is alive
                 flag = socket.MSG_PEEK
                 self._socket.setblocking(False)
             else:
+                # pylint: disable=no-member
                 flag = socket.MSG_DONTWAIT | socket.MSG_PEEK
             retbytes = self._sys_recv(sock_fd, buf, 1, flag)