small fixes

Author: vgvoleg

docs/apireference.rst

@@ -60,6 +60,7 @@ RetrySettings
     :inherited-members:
     :undoc-members:
 
+
 Result Sets
 ^^^^^^^^^^^
 

docs/overview.rst

@@ -14,11 +14,7 @@ The most recent published version of this documentation should be at https://ydb
 Community
 ---------
 
-You can ask your questions in official Telegram chats:
-
-* **EN** `YDB chat <https://t.me/ydb_en>`_.
-* **RU** `YDB chat <https://t.me/ydb_ru>`_.
-
+You can ask your questions in official Telegram chats: `EN <https://t.me/ydb_en>`_ | `RU <https://t.me/ydb_ru>`_.
 
 Bugs and feature enhancements to YDB Python SDK should be reported on the `GitHub
 issue tracker

ydb/_grpc/grpcwrapper/ydb_query_public_types.py

@@ -12,6 +12,7 @@
 
 class BaseQueryTxMode(IToProto):
     """Abstract class for Query Transaction Modes."""
+
     @property
     @abc.abstractmethod
     def name(self) -> str:
@@ -23,6 +24,7 @@ class QuerySnapshotReadOnly(BaseQueryTxMode):
     All the data reads are consistent. The snapshot is taken when the transaction begins,
     meaning the transaction sees all changes committed before it began.
     """
+
     def __init__(self):
         self._name = "snapshot_read_only"
 
@@ -38,6 +40,7 @@ class QuerySerializableReadWrite(BaseQueryTxMode):
     """This mode guarantees that the result of successful parallel transactions is equivalent
     to their serial execution, and there are no read anomalies for successful transactions.
     """
+
     def __init__(self):
         self._name = "serializable_read_write"