🎨 Format expression.py and expression template, currently needed by CI (#187)

Author: tiangolo

sqlmodel/sql/expression.py

@@ -38,7 +38,6 @@ class Select(_Select, Generic[_TSelect]):
     class SelectOfScalar(_Select, Generic[_TSelect]):
         pass
 
-
 else:
     from typing import GenericMeta  # type: ignore
 

sqlmodel/sql/expression.py.jinja2

@@ -36,7 +36,6 @@ if sys.version_info.minor >= 7:
     class SelectOfScalar(_Select, Generic[_TSelect]):
         pass
 
-
 else:
     from typing import GenericMeta  # type: ignore