Merge pull request #338 from martin-neotech/4.0-test-coverage-improvements-of-api

4.0 test coverage improvements of api

Author: technige

neo4j/api.py

@@ -108,8 +108,6 @@ def __bool__(self):
 
 class ServerInfo:
 
-    address = None
-
     def __init__(self, address, protocol_version):
         self.address = address
         self.protocol_version = protocol_version