Update black flak8 and zimports

Change-Id: I488c9557eda390e4a88319affd4c8813ee274f80

3 files changed, 5 insertions, 2 deletions

diff --git a/lib/sqlalchemy/orm/interfaces.py b/lib/sqlalchemy/orm/interfaces.py
index 6f77fd706..68e1aa5cb 100644
--- a/lib/sqlalchemy/orm/interfaces.py
+++ b/lib/sqlalchemy/orm/interfaces.py
@@ -45,6 +45,7 @@ if util.TYPE_CHECKING:
     from typing import Any
     from typing import List
     from typing import Optional
+
     from .mapper import Mapper
     from .util import AliasedInsp
 
diff --git a/lib/sqlalchemy/orm/relationships.py b/lib/sqlalchemy/orm/relationships.py
index 2ed9d859a..bf166e181 100644
--- a/lib/sqlalchemy/orm/relationships.py
+++ b/lib/sqlalchemy/orm/relationships.py
@@ -51,9 +51,10 @@ from ..sql.util import visit_binary_product
 
 
 if util.TYPE_CHECKING:
-    from .util import AliasedInsp
     from typing import Union
 
+    from .util import AliasedInsp
+
 
 def remote(expr):
     """Annotate a portion of a primaryjoin expression
diff --git a/lib/sqlalchemy/orm/strategy_options.py b/lib/sqlalchemy/orm/strategy_options.py
index f61cf835d..60ae69176 100644
--- a/lib/sqlalchemy/orm/strategy_options.py
+++ b/lib/sqlalchemy/orm/strategy_options.py
@@ -33,8 +33,9 @@ from ..sql.base import _generative
 from ..sql.base import Generative
 
 if util.TYPE_CHECKING:
-    from .context import QueryContext
     from typing import Sequence
+
+    from .context import QueryContext
     from ..sql.elements import ColumnElement