Merge pull request #283 from technige/1.7-access-mode-fix

[1.7] Removed `_connection_access_mode` from `Session`

Author: technige

neo4j/__init__.py

@@ -314,9 +314,6 @@ class Session(object):
     # The current connection.
     _connection = None
 
-    # The access mode for the current connection.
-    _connection_access_mode = None
-
     # The current :class:`.Transaction` instance, if any.
     _transaction = None
 
@@ -366,11 +363,8 @@ def _connect(self, access_mode=None):
         if access_mode is None:
             access_mode = self._default_access_mode
         if self._connection:
-            if access_mode == self._connection_access_mode:
-                return
             self._disconnect(sync=True)
         self._connection = self._acquirer(access_mode)
-        self._connection_access_mode = access_mode
 
     def _disconnect(self, sync):
         from neobolt.exceptions import ConnectionExpired, ServiceUnavailable
@@ -383,7 +377,6 @@ def _disconnect(self, sync):
             if self._connection:
                 self._connection.in_use = False
                 self._connection = None
-            self._connection_access_mode = None
 
     def close(self):
         """ Close the session. This will release any borrowed resources,