a pass where we try to squash down as many list()/keys() combinations

as possible

4 files changed, 6 insertions, 6 deletions

diff --git a/lib/sqlalchemy/ext/associationproxy.py b/lib/sqlalchemy/ext/associationproxy.py
index 39f8a7cf6..08875c3a0 100644
--- a/lib/sqlalchemy/ext/associationproxy.py
+++ b/lib/sqlalchemy/ext/associationproxy.py
@@ -778,7 +778,7 @@ class _AssociationDict(_AssociationCollection):
         iteritems = _iteritems
 
         def values(self):
-            return [self._get(member) for member in list(self.col.values())]
+            return [self._get(member) for member in self.col.values()]
 
         def items(self):
             return [(k, self._get(self.col[k])) for k in self]
diff --git a/lib/sqlalchemy/ext/declarative/api.py b/lib/sqlalchemy/ext/declarative/api.py
index bc0c5a38c..2f222f682 100644
--- a/lib/sqlalchemy/ext/declarative/api.py
+++ b/lib/sqlalchemy/ext/declarative/api.py
@@ -424,7 +424,7 @@ class DeferredReflection(object):
     def prepare(cls, engine):
         """Reflect all :class:`.Table` objects for all current
         :class:`.DeferredReflection` subclasses"""
-        to_map = [m for m in list(_MapperConfig.configs.values())
+        to_map = [m for m in _MapperConfig.configs.values()
                     if issubclass(m.cls, cls)]
         for thingy in to_map:
             cls._sa_decl_prepare(thingy.local_table, engine)
diff --git a/lib/sqlalchemy/ext/declarative/base.py b/lib/sqlalchemy/ext/declarative/base.py
index 2099f9eb0..9187ed7f8 100644
--- a/lib/sqlalchemy/ext/declarative/base.py
+++ b/lib/sqlalchemy/ext/declarative/base.py
@@ -57,7 +57,7 @@ def _as_declarative(cls, classname, dict_):
 
         class_mapped = _declared_mapping_info(base) is not None
 
-        for name, obj in list(vars(base).items()):
+        for name, obj in vars(base).items():
             if name == '__mapper_args__':
                 if not mapper_args_fn and (
                                         not class_mapped or
@@ -129,7 +129,7 @@ def _as_declarative(cls, classname, dict_):
                         ret.doc = obj.__doc__
 
     # apply inherited columns as we should
-    for k, v in list(potential_columns.items()):
+    for k, v in potential_columns.items():
         dict_[k] = v
 
     if inherited_table_args and not tablename:
diff --git a/lib/sqlalchemy/ext/mutable.py b/lib/sqlalchemy/ext/mutable.py
index 08c0bdf13..b1b851f72 100644
--- a/lib/sqlalchemy/ext/mutable.py
+++ b/lib/sqlalchemy/ext/mutable.py
@@ -485,7 +485,7 @@ class Mutable(MutableBase):
     def changed(self):
         """Subclasses should call this method whenever change events occur."""
 
-        for parent, key in list(self._parents.items()):
+        for parent, key in self._parents.items():
             flag_modified(parent, key)
 
     @classmethod
@@ -579,7 +579,7 @@ class MutableComposite(MutableBase):
     def changed(self):
         """Subclasses should call this method whenever change events occur."""
 
-        for parent, key in list(self._parents.items()):
+        for parent, key in self._parents.items():
 
             prop = object_mapper(parent).get_property(key)
             for value, attr_name in zip(