Merge pull request #381 fixed python2 compatibility

Author: rekby

CHANGELOG.md

@@ -1,3 +1,5 @@
+* Fixed python2 compatibility 
+
 ## 2.15.0 ##
 * Fixed python2 compatibility
 

ydb/_errors.py

@@ -1,5 +1,3 @@
-from dataclasses import dataclass
-
 from . import issues
 
 _errors_retriable_fast_backoff_types = [
@@ -56,7 +54,6 @@ def check_retriable_error(err, retry_settings, attempt):
     return ErrorRetryInfo(False, None)
 
 
-@dataclass
 class ErrorRetryInfo:
     def __init__(self, is_retriable, sleep_timeout_seconds=None):
         self.is_retriable = is_retriable

ydb/scheme.py

@@ -25,10 +25,6 @@ class SchemeEntryType(enum.IntEnum):
     REPLICATION = 16
     TOPIC = 17
 
-    @classmethod
-    def _missing_(cls, value):
-        return cls.TYPE_UNSPECIFIED
-
     @staticmethod
     def is_table(entry):
         """

ydb/scheme_test.py

@@ -15,14 +15,6 @@ def test_wrap_scheme_entry():
     assert (
         _wrap_scheme_entry(ydb_scheme.Entry()).type is SchemeEntryType.TYPE_UNSPECIFIED
     )
-    assert (
-        _wrap_scheme_entry(ydb_scheme.Entry(type=10)).type
-        is SchemeEntryType.TYPE_UNSPECIFIED
-    )
-    assert (
-        _wrap_scheme_entry(ydb_scheme.Entry(type=1001)).type
-        is SchemeEntryType.TYPE_UNSPECIFIED
-    )
 
 
 def test_wrap_list_directory_response():