python: Reformat with Black, except quotes.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

zerver/lib/migrate.py

@@ -7,18 +7,22 @@ from psycopg2.sql import SQL, Composable, Identifier
 CursorObj = TypeVar('CursorObj', bound=cursor)
 
 
-def do_batch_update(cursor: CursorObj,
-                    table: str,
-                    assignments: List[Composable],
-                    batch_size: int=10000,
-                    sleep: float=0.1) -> None:  # nocoverage
+def do_batch_update(
+    cursor: CursorObj,
+    table: str,
+    assignments: List[Composable],
+    batch_size: int = 10000,
+    sleep: float = 0.1,
+) -> None:  # nocoverage
     # The string substitution below is complicated by our need to
     # support multiple PostgreSQL versions.
-    stmt = SQL('''
+    stmt = SQL(
+        '''
         UPDATE {}
         SET {}
         WHERE id >= %s AND id < %s
-    ''').format(
+    '''
+    ).format(
         Identifier(table),
         SQL(', ').join(assignments),
     )