[NOT FOR MERGE] Test enabling Copy-on-Write by default

jorisvandenbossche · jorisvandenbossche · commit 44323f2e4e54 · 2023-10-27T17:54:09.000+02:00
diff --git a/pandas/core/config_init.py b/pandas/core/config_init.py
@@ -476,7 +476,7 @@ def use_inf_as_na_cb(key) -> None:
         "copy_on_write",
         # Get the default from an environment variable, if set, otherwise defaults
         # to False. This environment variable can be set for testing.
-        os.environ.get("PANDAS_COPY_ON_WRITE", "0") == "1",
+        True,
         copy_on_write_doc,
         validator=is_bool,
     )

Original file line number	Diff line number	Diff line change
`@@ -476,7 +476,7 @@ def use_inf_as_na_cb(key) -> None:`
`476`	`476`	`"copy_on_write",`
`477`	`477`	`# Get the default from an environment variable, if set, otherwise defaults`
`478`	`478`	`# to False. This environment variable can be set for testing.`
`479`		`- os.environ.get("PANDAS_COPY_ON_WRITE", "0") == "1",`
	`479`	`+ True,`
`480`	`480`	`copy_on_write_doc,`
`481`	`481`	`validator=is_bool,`
`482`	`482`	`)`