diff --git a/immudb/datatypesv2.py b/immudb/datatypesv2.py
index c4c21b6..fdbe3cf 100644
--- a/immudb/datatypesv2.py
+++ b/immudb/datatypesv2.py
@@ -747,6 +747,7 @@ class DatabaseNullableSettings(GRPCTransformable):
     def _getHumanDataClass(self):
         return grpcHumanizator(self, DatabaseSettingsV2)
 
+
 @dataclass
 class TruncationNullableSettings(GRPCTransformable):
     retentionPeriod: NullableMilliseconds = None
@@ -755,6 +756,7 @@ class TruncationNullableSettings(GRPCTransformable):
     def _getHumanDataClass(self):
         return grpcHumanizator(self, TruncationSettings)
 
+
 @dataclass
 class ReplicationSettings(GRPCTransformable):
     replica:  Optional[bool] = None
@@ -781,13 +783,17 @@ def _getGRPC(self):
             primaryPassword=NullableString(self.primaryUsername)._getGRPC(),
             syncReplication=NullableBool(self.syncReplication)._getGRPC(),
             syncAcks=NullableUint32(self.syncAcks)._getGRPC(),
-            prefetchTxBufferSize=NullableUint32(self.prefetchTxBufferSize)._getGRPC(),
-            replicationCommitConcurrency=NullableUint32(self.replicationCommitConcurrency)._getGRPC(),
+            prefetchTxBufferSize=NullableUint32(
+                self.prefetchTxBufferSize)._getGRPC(),
+            replicationCommitConcurrency=NullableUint32(
+                self.replicationCommitConcurrency)._getGRPC(),
             allowTxDiscarding=NullableBool(self.allowTxDiscarding)._getGRPC(),
-            skipIntegrityCheck=NullableBool(self.skipIntegrityCheck)._getGRPC(),
+            skipIntegrityCheck=NullableBool(
+                self.skipIntegrityCheck)._getGRPC(),
             waitForIndexing=NullableBool(self.waitForIndexing)._getGRPC(),
         )
 
+
 @dataclass
 class TruncationSettings(GRPCTransformable):
     retentionPeriod: Optional[int]
@@ -795,10 +801,13 @@ class TruncationSettings(GRPCTransformable):
 
     def _getGRPC(self):
         return schema.TruncationNullableSettings(
-            retentionPeriod=NullableMilliseconds(self.retentionPeriod)._getGRPC(),
-            truncationFrequency=NullableMilliseconds(self.truncationFrequency)._getGRPC(),
+            retentionPeriod=NullableMilliseconds(
+                self.retentionPeriod)._getGRPC(),
+            truncationFrequency=NullableMilliseconds(
+                self.truncationFrequency)._getGRPC(),
         )
 
+
 @dataclass
 class IndexSettings(GRPCTransformable):
     flushThreshold:  Optional[int] = None
@@ -839,7 +848,8 @@ def _getGRPC(self):
             flushBufferSize=NullableUint32(self.flushBufferSize)._getGRPC(),
             cleanupPercentage=NullableFloat(self.cleanupPercentage)._getGRPC(),
             maxBulkSize=NullableUint32(self.maxBulkSize)._getGRPC(),
-            bulkPreparationTimeout=NullableMilliseconds(self.bulkPreparationTimeout)._getGRPC(),
+            bulkPreparationTimeout=NullableMilliseconds(
+                self.bulkPreparationTimeout)._getGRPC(),
         )
 
 
@@ -910,17 +920,22 @@ def _getGRPC(self):
             maxConcurrency=NullableUint32(self.maxConcurrency)._getGRPC(),
             maxIOConcurrency=NullableUint32(self.maxIOConcurrency)._getGRPC(),
             txLogCacheSize=NullableUint32(self.txLogCacheSize)._getGRPC(),
-            vLogMaxOpenedFiles=NullableUint32(self.vLogMaxOpenedFiles)._getGRPC(),
-            txLogMaxOpenedFiles=NullableUint32(self.txLogMaxOpenedFiles)._getGRPC(),
-            commitLogMaxOpenedFiles=NullableUint32(self.commitLogMaxOpenedFiles)._getGRPC(),
+            vLogMaxOpenedFiles=NullableUint32(
+                self.vLogMaxOpenedFiles)._getGRPC(),
+            txLogMaxOpenedFiles=NullableUint32(
+                self.txLogMaxOpenedFiles)._getGRPC(),
+            commitLogMaxOpenedFiles=NullableUint32(
+                self.commitLogMaxOpenedFiles)._getGRPC(),
             indexSettings=indexSettings,
-            writeTxHeaderVersion=NullableUint32(self.writeTxHeaderVersion)._getGRPC(),
+            writeTxHeaderVersion=NullableUint32(
+                self.writeTxHeaderVersion)._getGRPC(),
             autoload=NullableBool(self.autoload)._getGRPC(),
             readTxPoolSize=NullableUint32(self.readTxPoolSize)._getGRPC(),
             syncFrequency=NullableMilliseconds(self.syncFrequency)._getGRPC(),
             writeBufferSize=NullableUint32(self.writeBufferSize)._getGRPC(),
             ahtSettings=ahtSettings,
-            maxActiveTransactions=NullableUint32(self.maxActiveTransactions)._getGRPC(),
+            maxActiveTransactions=NullableUint32(
+                self.maxActiveTransactions)._getGRPC(),
             mvccReadSetLimit=NullableUint32(self.mvccReadSetLimit)._getGRPC(),
             vLogCacheSize=NullableUint32(self.vLogCacheSize)._getGRPC(),
             truncationSettings=truncSettings,
diff --git a/immudb/handler/sqlquery.py b/immudb/handler/sqlquery.py
index 113534e..c378d90 100644
--- a/immudb/handler/sqlquery.py
+++ b/immudb/handler/sqlquery.py
@@ -22,6 +22,7 @@
 def call(service: schema_pb2_grpc.ImmuServiceStub, rs: RootService, query, params, columnNameMode, dbname, acceptStream):
     return _call_with_executor(query, params, columnNameMode, dbname, acceptStream, service.SQLQuery)
 
+
 def _call_with_executor(query, params, columnNameMode, dbname, acceptStream, executor):
     paramsObj = []
     for key, value in params.items():
@@ -41,7 +42,8 @@ def _call_with_executor(query, params, columnNameMode, dbname, acceptStream, exe
     columnNames = getColumnNames(res, columnNameMode)
     rows = unpack_rows(res, columnNameMode, columnNames)
     return fix_colnames(rows, dbname, columnNameMode)
-    
+
+
 def fix_colnames(ret, dbname, columnNameMode):
     if columnNameMode not in [constants.COLUMN_NAME_MODE_DATABASE, constants.COLUMN_NAME_MODE_FULL]:
         return ret
@@ -55,6 +57,7 @@ def fix_colnames(ret, dbname, columnNameMode):
         ret[i] = k
     return ret
 
+
 def unpack_rows(resp, columnNameMode, colNames):
     result = []
     for row in resp.rows:
@@ -65,6 +68,7 @@ def unpack_rows(resp, columnNameMode, colNames):
                 dict(zip(colNames, tuple([sqlvalue_to_py(i) for i in row.values]))))
     return result
 
+
 def getColumnNames(resp, columnNameMode):
     columnNames = []
     if columnNameMode != constants.COLUMN_NAME_MODE_NONE:
@@ -94,9 +98,11 @@ def getColumnNames(resp, columnNameMode):
             raise ErrPySDKInvalidColumnMode
     return columnNames
 
+
 class ClosedIterator(BaseException):
     pass
 
+
 class RowIterator:
     def __init__(self, grpcIt, colNameMode, dbname) -> None:
         self._grpcIt = grpcIt
@@ -110,7 +116,7 @@ def __init__(self, grpcIt, colNameMode, dbname) -> None:
     def __iter__(self):
         return self
 
-    def __next__(self): 
+    def __next__(self):
         self._fetch_next()
 
         row = self._rows[self._nextRow]
@@ -120,31 +126,32 @@ def __next__(self):
     def _fetch_next(self):
         if self._closed:
             raise ClosedIterator
-         
+
         if self._nextRow < len(self._rows):
             return
-        
+
         res = next(self._grpcIt)
         if self._columns == None:
             self._columns = getColumnNames(res, self._colNameMode)
-        
-        self._rows = unpack_rows(res, constants.COLUMN_NAME_MODE_NONE, self._columns)
+
+        self._rows = unpack_rows(
+            res, constants.COLUMN_NAME_MODE_NONE, self._columns)
         self._nextRow = 0
 
         if len(self._rows) == 0:
             raise StopIteration
-    
+
     def columns(self):
         self._fetch_next()
 
         if self._colNameMode not in [constants.COLUMN_NAME_MODE_DATABASE, constants.COLUMN_NAME_MODE_FULL]:
             return self._columns
-        
+
         return [x.replace("[@DB]", self._dbname.decode("utf-8")) for x in self._columns]
 
     def close(self):
         if self._closed:
             raise ClosedIterator
-        
+
         self._grpcIt.cancel()
         self._closed = True