Convert str.format to f-string

gousaiyang · gousaiyang · commit 7b6a1eddb79c · 2021-10-17T11:56:43.000-07:00
diff --git a/src/pip/_internal/configuration.py b/src/pip/_internal/configuration.py
@@ -272,7 +272,7 @@ def _construct_parser(self, fname: str) -> RawConfigParser:
             except UnicodeDecodeError:
                 # See https://github.com/pypa/pip/issues/4963
                 raise ConfigurationFileCouldNotBeLoaded(
-                    reason="contains invalid {} characters".format(locale_encoding),
+                    reason=f"contains invalid {locale_encoding} characters",
                     fname=fname,
                 )
             except configparser.Error as error:

Original file line number	Diff line number	Diff line change
`@@ -272,7 +272,7 @@ def _construct_parser(self, fname: str) -> RawConfigParser:`
`272`	`272`	`except UnicodeDecodeError:`
`273`	`273`	`# See https://github.com/pypa/pip/issues/4963`
`274`	`274`	`raise ConfigurationFileCouldNotBeLoaded(`
`275`		`- reason="contains invalid {} characters".format(locale_encoding),`
	`275`	`+ reason=f"contains invalid {locale_encoding} characters",`
`276`	`276`	`fname=fname,`
`277`	`277`	`)`
`278`	`278`	`except configparser.Error as error:`