cleanup: Fix a few unrelated typos.

Signed-off-by: Taylor Curran <[email protected]>

Author: currantw

google/cloud/spanner_v1/database.py

@@ -1253,7 +1253,7 @@ def observability_options(self):
         return opts
 
     @property
-    def sessions_manager(self):
+    def sessions_manager(self) -> DatabaseSessionsManager:
         """Returns the database sessions manager.
 
         :rtype: :class:`~google.cloud.spanner_v1.database_sessions_manager.DatabaseSessionsManager`

tests/unit/spanner_dbapi/test_connect.py

@@ -69,7 +69,7 @@ def test_w_implicit(self, mock_client):
         instance.database.assert_called_once_with(
             DATABASE, pool=None, database_role=None
         )
-        # Datbase constructs its own pool
+        # Database constructs its own pool
         self.assertIsNotNone(connection.database._pool)
         self.assertTrue(connection.instance._client.route_to_leader_enabled)
 

tests/unit/test_metrics.py

@@ -27,7 +27,7 @@
 from opentelemetry import metrics
 
 pytest.importorskip("opentelemetry")
-# Skip if semconv attributes are not present, as tracing wont' be enabled either
+# Skip if semconv attributes are not present, as tracing won't be enabled either
 # pytest.importorskip("opentelemetry.semconv.attributes.otel_attributes")