use f-string in __repr__ return in pandas/core/window/rolling.py

ganevgv · ganevgv · commit 80f9c1b2ec13 · 2019-12-02T13:49:21.000Z
diff --git a/pandas/core/window/rolling.py b/pandas/core/window/rolling.py
@@ -217,7 +217,7 @@ def __repr__(self) -> str:
             if getattr(self, attr_name, None) is not None
         )
         attrs = ",".join(attrs_list)
-        return "{klass} [{attrs}]".format(klass=self._window_type, attrs=attrs)
+        return f"{self._window_type} [{attrs}]"
 
     def __iter__(self):
         url = "https://github.com/pandas-dev/pandas/issues/11704"

Original file line number	Diff line number	Diff line change
`@@ -217,7 +217,7 @@ def __repr__(self) -> str:`
`217`	`217`	`if getattr(self, attr_name, None) is not None`
`218`	`218`	`)`
`219`	`219`	`attrs = ",".join(attrs_list)`
`220`		`- return "{klass} [{attrs}]".format(klass=self._window_type, attrs=attrs)`
	`220`	`+ return f"{self._window_type} [{attrs}]"`
`221`	`221`
`222`	`222`	`def __iter__(self):`
`223`	`223`	`url = "https://github.com/pandas-dev/pandas/issues/11704"`