Merge pull request #374 fix python2 compatible

Author: rekby

ydb/_errors.py

@@ -1,5 +1,4 @@
 from dataclasses import dataclass
-from typing import Optional
 
 from . import issues
 
@@ -59,5 +58,6 @@ def check_retriable_error(err, retry_settings, attempt):
 
 @dataclass
 class ErrorRetryInfo:
-    is_retriable: bool
-    sleep_timeout_seconds: Optional[float]
+    def __init__(self, is_retriable, sleep_timeout_seconds=None):
+        self.is_retriable = is_retriable
+        self.sleep_timeout_seconds = sleep_timeout_seconds

ydb/global_settings.py

@@ -2,14 +2,14 @@
 from . import table
 
 
-def global_allow_truncated_result(enabled: bool = True):
+def global_allow_truncated_result(enabled=True):
     """
     call global_allow_truncated_result(False) for more safe execution and compatible with future changes
     """
     convert._default_allow_truncated_result = enabled
 
 
-def global_allow_split_transactions(enabled: bool):
+def global_allow_split_transactions(enabled):
     """
     call global_allow_truncated_result(False) for more safe execution and compatible with future changes
     """

ydb/issues.py

@@ -173,7 +173,7 @@ def _format_issues(issues):
 
 def _format_response(response):
     fmt_issues = _format_issues(response.issues)
-    return f"{fmt_issues} (server_code: {response.status})"
+    return "{0} (server_code: {1})".format(fmt_issues, response.status)
 
 
 _success_status_codes = {StatusCode.STATUS_CODE_UNSPECIFIED, StatusCode.SUCCESS}

ydb/table.py

@@ -2230,8 +2230,7 @@ def __init__(
         session_state,
         session,
         tx_mode=None,
-        *,
-        allow_split_transactions=_allow_split_transaction
+        allow_split_transactions=_allow_split_transaction,
     ):
         """
         An object that provides a simple transaction context manager that allows statements execution