Lint fixes

This follows our other changes that moved to Black 22.1 and Flake8 4

Author: jcjones

partitionmanager/database_helpers.py

@@ -10,7 +10,7 @@
 
 
 def get_position_of_table(database, table, map_data):
-    """ Returns a Position of the table at the current moment. """
+    """Returns a Position of the table at the current moment."""
 
     pos_list = pm_tap.get_current_positions(database, table, map_data["range_cols"])
 
@@ -21,7 +21,7 @@ def get_position_of_table(database, table, map_data):
 
 
 def calculate_exact_timestamp_via_query(database, table, position_partition):
-    """ Calculates the exact timestamp of a PositionPartition.
+    """Calculates the exact timestamp of a PositionPartition.
 
     raises ValueError if the position is incalculable
     """

partitionmanager/dropper.py

@@ -9,7 +9,7 @@
 
 
 def _drop_statement(table, partition_list):
-    """ Generate an ALTER TABLE statement to drop these partitions. """
+    """Generate an ALTER TABLE statement to drop these partitions."""
 
     log = logging.getLogger("get_droppable_partitions")
 
@@ -54,11 +54,15 @@ def get_droppable_partitions(
 
         assert isinstance(next_partition, partitionmanager.types.PositionPartition)
 
-        start_time = partitionmanager.database_helpers.calculate_exact_timestamp_via_query(
-            database, table, partition
+        start_time = (
+            partitionmanager.database_helpers.calculate_exact_timestamp_via_query(
+                database, table, partition
+            )
         )
-        end_time = partitionmanager.database_helpers.calculate_exact_timestamp_via_query(
-            database, table, next_partition
+        end_time = (
+            partitionmanager.database_helpers.calculate_exact_timestamp_via_query(
+                database, table, next_partition
+            )
         )
 
         approx_size = 0

partitionmanager/table_append_partition.py

@@ -425,8 +425,10 @@ def _get_rate_partitions_with_queried_timestamps(
     instant_partitions = list()
 
     for partition in partition_list:
-        exact_time = partitionmanager.database_helpers.calculate_exact_timestamp_via_query(
-            database, table, partition
+        exact_time = (
+            partitionmanager.database_helpers.calculate_exact_timestamp_via_query(
+                database, table, partition
+            )
         )
 
         instant_partitions.append(