python.py-spy.cpu.base.collapsed.md

Sampling profile

Collected 189 samples.

Category	%	Samples
Ours	93.7%	177
Unknown	4.2%	8
Standard library	2.1%	4

Hottest functions

Self samples

Functions ranked by samples taken directly in the function body, excluding callees.

%	Samples	Function	Location
10.1%	19	_addtoken	blib2to3/pgen2/parse.py
4.8%	9	visit_default	black/linegen.py
4.8%	9	pop	blib2to3/pgen2/parse.py
4.8%	9	parse	ast.py
4.2%	8	mark	black/brackets.py
4.2%	8	(anonymous)	<unknown>
4.2%	8	__init__	blib2to3/pytree.py
3.7%	7	generate_tokens	blib2to3/pgen2/tokenize.py
3.2%	6	normalize_trailing_prefix	black/comments.py
2.6%	5	__str__	black/lines.py
2.6%	5	hug_power_op	black/trans.py
2.1%	4	visit	black/nodes.py
2.1%	4	prev_sibling	blib2to3/pytree.py
2.1%	4	_stringify_ast	black/parsing.py
2.1%	4	normalize_invisible_parens	black/linegen.py
2.1%	4	transform_line	black/linegen.py
2.1%	4	convert	blib2to3/pytree.py
2.1%	4	get_features_used	black/__init__.py
2.1%	4	current	blib2to3/pgen2/tokenize.py
1.6%	3	generate_comments	black/comments.py

Categories

Ours

%	Samples	Function	Location
10.1%	19	_addtoken	blib2to3/pgen2/parse.py
4.8%	9	visit_default	black/linegen.py
4.8%	9	pop	blib2to3/pgen2/parse.py
4.8%	9	parse	ast.py
4.2%	8	mark	black/brackets.py
4.2%	8	__init__	blib2to3/pytree.py
3.7%	7	generate_tokens	blib2to3/pgen2/tokenize.py
3.2%	6	normalize_trailing_prefix	black/comments.py
2.6%	5	__str__	black/lines.py
2.6%	5	hug_power_op	black/trans.py
2.1%	4	visit	black/nodes.py
2.1%	4	prev_sibling	blib2to3/pytree.py
2.1%	4	_stringify_ast	black/parsing.py
2.1%	4	normalize_invisible_parens	black/linegen.py
2.1%	4	transform_line	black/linegen.py
2.1%	4	convert	blib2to3/pytree.py
2.1%	4	get_features_used	black/__init__.py
2.1%	4	current	blib2to3/pgen2/tokenize.py
1.6%	3	generate_comments	black/comments.py
1.6%	3	whitespace	black/nodes.py

Unknown

%	Samples	Function	Location
4.2%	8	(anonymous)	<unknown>

Standard library

%	Samples	Function	Location
0.5%	1	_path_stat	<frozen importlib._bootstrap_external>
0.5%	1	find_spec	<frozen importlib._bootstrap_external>
0.5%	1	_call_with_frames_removed	<frozen importlib._bootstrap>
0.5%	1	_compile_bytecode	<frozen importlib._bootstrap_external>

Lines

Lines ranked by contribution to each function's self samples.

_addtoken (blib2to3/pgen2/parse.py)

%	Samples	Location
21.1%	4	blib2to3/pgen2/parse.py:298
15.8%	3	blib2to3/pgen2/parse.py:326
10.5%	2	blib2to3/pgen2/parse.py:295
10.5%	2	blib2to3/pgen2/parse.py:297
10.5%	2	blib2to3/pgen2/parse.py:303

visit_default (black/linegen.py)

%	Samples	Location
77.8%	7	black/linegen.py:158
22.2%	2	black/linegen.py:134

pop (blib2to3/pgen2/parse.py)

%	Samples	Location
44.4%	4	blib2to3/pgen2/parse.py:408
22.2%	2	blib2to3/pgen2/parse.py:407
22.2%	2	blib2to3/pgen2/parse.py:400
11.1%	1	blib2to3/pgen2/parse.py:398

parse (ast.py)

%	Samples	Location
100.0%	9	ast.py:50

mark (black/brackets.py)

%	Samples	Location
25.0%	2	black/brackets.py:99
25.0%	2	black/brackets.py:112
25.0%	2	black/brackets.py:121
12.5%	1	black/brackets.py:70
12.5%	1	black/brackets.py:122

__init__ (blib2to3/pytree.py)

%	Samples	Location
75.0%	6	blib2to3/pytree.py:266
12.5%	1	blib2to3/pytree.py:268
12.5%	1	blib2to3/pytree.py:424

generate_tokens (blib2to3/pgen2/tokenize.py)

%	Samples	Location
57.1%	4	blib2to3/pgen2/tokenize.py:875
14.3%	1	blib2to3/pgen2/tokenize.py:624
14.3%	1	blib2to3/pgen2/tokenize.py:635
14.3%	1	blib2to3/pgen2/tokenize.py:781

normalize_trailing_prefix (black/comments.py)

%	Samples	Location
66.7%	4	black/comments.py:134
33.3%	2	black/comments.py:136

__str__ (black/lines.py)

%	Samples	Location
60.0%	3	black/lines.py:501
20.0%	1	black/lines.py:500
20.0%	1	black/lines.py:497

hug_power_op (black/trans.py)

%	Samples	Location
60.0%	3	black/trans.py:85
40.0%	2	black/trans.py:95

visit (black/nodes.py)

%	Samples	Location
75.0%	3	black/nodes.py:181
25.0%	1	black/nodes.py:185

prev_sibling (blib2to3/pytree.py)

%	Samples	Location
50.0%	2	blib2to3/pytree.py:219
25.0%	1	blib2to3/pytree.py:216
25.0%	1	blib2to3/pytree.py:207

_stringify_ast (black/parsing.py)

%	Samples	Location
25.0%	1	black/parsing.py:176
25.0%	1	black/parsing.py:187
25.0%	1	black/parsing.py:240
25.0%	1	black/parsing.py:244

normalize_invisible_parens (black/linegen.py)

%	Samples	Location
50.0%	2	black/linegen.py:1351
25.0%	1	black/linegen.py:1354
25.0%	1	black/linegen.py:1412

transform_line (black/linegen.py)

%	Samples	Location
50.0%	2	black/linegen.py:714
25.0%	1	black/linegen.py:601
25.0%	1	black/linegen.py:715

convert (blib2to3/pytree.py)

%	Samples	Location
75.0%	3	blib2to3/pytree.py:486
25.0%	1	blib2to3/pytree.py:503

get_features_used (black/__init__.py)

%	Samples	Location
50.0%	2	black/__init__.py:1367
25.0%	1	black/__init__.py:1386
25.0%	1	black/__init__.py:1440

current (blib2to3/pgen2/tokenize.py)

%	Samples	Location
100.0%	4	blib2to3/pgen2/tokenize.py:534

generate_comments (black/comments.py)

%	Samples	Location
66.7%	2	black/comments.py:72
33.3%	1	black/comments.py:52

whitespace (black/nodes.py)

%	Samples	Location
33.3%	1	black/nodes.py:201
33.3%	1	black/nodes.py:206
33.3%	1	black/nodes.py:323

_path_stat (<frozen importlib._bootstrap_external>)

%	Samples	Location
100.0%	1	<frozen importlib._bootstrap_external>:147

find_spec (<frozen importlib._bootstrap_external>)

%	Samples	Location
100.0%	1	<frozen importlib._bootstrap_external>:1640

_call_with_frames_removed (<frozen importlib._bootstrap>)

%	Samples	Location
100.0%	1	<frozen importlib._bootstrap>:241

_compile_bytecode (<frozen importlib._bootstrap_external>)

%	Samples	Location
100.0%	1	<frozen importlib._bootstrap_external>:729

Callers

Callers ranked by contribution to each function's self samples. Inlining can make caller attribution imprecise.

_addtoken (blib2to3/pgen2/parse.py)

%	Samples	Caller	Location
100.0%	19	addtoken	blib2to3/pgen2/parse.py

visit_default (black/linegen.py)

%	Samples	Caller	Location
88.9%	8	visit	black/nodes.py
11.1%	1	visit_power	black/linegen.py

pop (blib2to3/pgen2/parse.py)

%	Samples	Caller	Location
100.0%	9	_addtoken	blib2to3/pgen2/parse.py

parse (ast.py)

%	Samples	Caller	Location
100.0%	9	_parse_single_version	black/parsing.py

mark (black/brackets.py)

%	Samples	Caller	Location
100.0%	8	append	black/lines.py

__init__ (blib2to3/pytree.py)

%	Samples	Caller	Location
100.0%	8	convert	blib2to3/pytree.py

generate_tokens (blib2to3/pgen2/tokenize.py)

%	Samples	Caller	Location
100.0%	7	__next__	blib2to3/pgen2/driver.py

normalize_trailing_prefix (black/comments.py)

%	Samples	Caller	Location
100.0%	6	generate_comments	black/comments.py

__str__ (black/lines.py)

%	Samples	Caller	Location
60.0%	3	line_to_string	black/lines.py
40.0%	2	_format_str_once	black/__init__.py

hug_power_op (black/trans.py)

%	Samples	Caller	Location
80.0%	4	_hugging_power_ops_line_to_string	black/linegen.py
20.0%	1	run_transformer	black/linegen.py

visit (black/nodes.py)

%	Samples	Caller	Location
100.0%	4	visit_default	black/nodes.py

prev_sibling (blib2to3/pytree.py)

%	Samples	Caller	Location
75.0%	3	preceding_leaf	black/nodes.py
25.0%	1	prev_siblings_are	black/nodes.py

_stringify_ast (black/parsing.py)

%	Samples	Caller	Location
100.0%	4	_stringify_ast_with_new_parent	black/parsing.py

normalize_invisible_parens (black/linegen.py)

%	Samples	Caller	Location
100.0%	4	visit_stmt	black/linegen.py

transform_line (black/linegen.py)

%	Samples	Caller	Location
75.0%	3	_format_str_once	black/__init__.py
25.0%	1	run_transformer	black/linegen.py

convert (blib2to3/pytree.py)

%	Samples	Caller	Location
75.0%	3	pop	blib2to3/pgen2/parse.py
25.0%	1	shift	blib2to3/pgen2/parse.py

get_features_used (black/__init__.py)

%	Samples	Caller	Location
100.0%	4	detect_target_versions	black/__init__.py

current (blib2to3/pgen2/tokenize.py)

%	Samples	Caller	Location
100.0%	4	generate_tokens	blib2to3/pgen2/tokenize.py

generate_comments (black/comments.py)

%	Samples	Caller	Location
100.0%	3	visit_default	black/linegen.py

whitespace (black/nodes.py)

%	Samples	Caller	Location
100.0%	3	append	black/lines.py

_path_stat (<frozen importlib._bootstrap_external>)

%	Samples	Caller	Location
100.0%	1	find_spec	<frozen importlib._bootstrap_external>

find_spec (<frozen importlib._bootstrap_external>)

%	Samples	Caller	Location
100.0%	1	_get_spec	<frozen importlib._bootstrap_external>

_call_with_frames_removed (<frozen importlib._bootstrap>)

%	Samples	Caller	Location
100.0%	1	create_module	<frozen importlib._bootstrap_external>

_compile_bytecode (<frozen importlib._bootstrap_external>)

%	Samples	Caller	Location
100.0%	1	get_code	<frozen importlib._bootstrap_external>

Total samples

Functions ranked by total samples taken in the function and all its callees.

%	Samples	Function	Location
95.8%	181	_run_module_as_main	<frozen runpy>
92.1%	174	format_file_contents	black/__init__.py
92.1%	174	format_file_in_place	black/__init__.py
92.1%	174	reformat_one	black/__init__.py
92.1%	174	main	black/__init__.py
92.1%	174	new_func	click/decorators.py
92.1%	174	invoke	click/core.py
92.1%	174	main	click/core.py
92.1%	174	__call__	click/core.py
92.1%	174	patched_main	black/__init__.py
92.1%	174	<module>	black/__main__.py
92.1%	174	_run_code	<frozen runpy>
82.0%	155	_format_str_once	black/__init__.py
59.8%	113	format_str	black/__init__.py
35.4%	67	visit_default	black/linegen.py
35.4%	67	visit	black/nodes.py
35.4%	67	visit_default	black/nodes.py
34.4%	65	visit_stmt	black/linegen.py
34.4%	65	visit_funcdef	black/linegen.py
33.9%	64	visit_suite	black/linegen.py

Categories

Ours

%	Samples	Function	Location
92.1%	174	format_file_contents	black/__init__.py
92.1%	174	format_file_in_place	black/__init__.py
92.1%	174	reformat_one	black/__init__.py
92.1%	174	main	black/__init__.py
92.1%	174	new_func	click/decorators.py
92.1%	174	invoke	click/core.py
92.1%	174	main	click/core.py
92.1%	174	__call__	click/core.py
92.1%	174	patched_main	black/__init__.py
92.1%	174	<module>	black/__main__.py
82.0%	155	_format_str_once	black/__init__.py
59.8%	113	format_str	black/__init__.py
35.4%	67	visit_default	black/linegen.py
35.4%	67	visit	black/nodes.py
35.4%	67	visit_default	black/nodes.py
34.4%	65	visit_stmt	black/linegen.py
34.4%	65	visit_funcdef	black/linegen.py
33.9%	64	visit_suite	black/linegen.py
32.3%	61	check_stability_and_equivalence	black/__init__.py
29.6%	56	parse_tokens	blib2to3/pgen2/driver.py

Unknown

%	Samples	Function	Location
4.2%	8	(anonymous)	<unknown>

Standard library

%	Samples	Function	Location
95.8%	181	_run_module_as_main	<frozen runpy>
92.1%	174	_run_code	<frozen runpy>
3.7%	7	_find_and_load_unlocked	<frozen importlib._bootstrap>
3.7%	7	_find_and_load	<frozen importlib._bootstrap>
3.7%	7	_call_with_frames_removed	<frozen importlib._bootstrap>
3.7%	7	exec_module	<frozen importlib._bootstrap_external>
3.7%	7	_load_unlocked	<frozen importlib._bootstrap>
3.7%	7	_get_module_details	<frozen runpy>
2.1%	4	_handle_fromlist	<frozen importlib._bootstrap>
1.1%	2	find_spec	<frozen importlib._bootstrap_external>
1.1%	2	_get_spec	<frozen importlib._bootstrap_external>
1.1%	2	_find_spec	<frozen importlib._bootstrap>
0.5%	1	_path_stat	<frozen importlib._bootstrap_external>
0.5%	1	create_module	<frozen importlib._bootstrap_external>
0.5%	1	module_from_spec	<frozen importlib._bootstrap>
0.5%	1	_compile_bytecode	<frozen importlib._bootstrap_external>
0.5%	1	get_code	<frozen importlib._bootstrap_external>

Callees

Callees ranked by contribution to each function's total samples. Inlining can make callee attribution imprecise, and percentages can sum past 100% when callees recurse.

_run_module_as_main (<frozen runpy>)

%	Samples	Callee	Location
96.1%	174	_run_code	<frozen runpy>
3.9%	7	_get_module_details	<frozen runpy>

format_file_contents (black/__init__.py)

%	Samples	Callee	Location
64.9%	113	format_str	black/__init__.py
35.1%	61	check_stability_and_equivalence	black/__init__.py

format_file_in_place (black/__init__.py)

%	Samples	Callee	Location
100.0%	174	format_file_contents	black/__init__.py

reformat_one (black/__init__.py)

%	Samples	Callee	Location
100.0%	174	format_file_in_place	black/__init__.py

main (black/__init__.py)

%	Samples	Callee	Location
100.0%	174	reformat_one	black/__init__.py

new_func (click/decorators.py)

%	Samples	Callee	Location
100.0%	174	main	black/__init__.py

invoke (click/core.py)

%	Samples	Callee	Location
100.0%	174	new_func	click/decorators.py
100.0%	174	invoke	click/core.py

main (click/core.py)

%	Samples	Callee	Location
100.0%	174	invoke	click/core.py

__call__ (click/core.py)

%	Samples	Callee	Location
100.0%	174	main	click/core.py

patched_main (black/__init__.py)

%	Samples	Callee	Location
100.0%	174	__call__	click/core.py

<module> (black/__main__.py)

%	Samples	Callee	Location
100.0%	174	patched_main	black/__init__.py

_run_code (<frozen runpy>)

%	Samples	Callee	Location
100.0%	174	<module>	black/__main__.py

_format_str_once (black/__init__.py)

%	Samples	Callee	Location
43.2%	67	visit	black/nodes.py
36.1%	56	lib2to3_parse	black/parsing.py
10.3%	16	transform_line	black/linegen.py
3.2%	5	normalize_fmt_off	black/comments.py
3.2%	5	detect_target_versions	black/__init__.py

format_str (black/__init__.py)

%	Samples	Callee	Location
100.0%	113	_format_str_once	black/__init__.py

visit_default (black/linegen.py)

%	Samples	Callee	Location
100.0%	67	visit_default	black/nodes.py
37.3%	25	append	black/lines.py
19.4%	13	generate_comments	black/comments.py
3.0%	2	any_open_brackets	black/brackets.py

visit (black/nodes.py)

%	Samples	Callee	Location
100.0%	67	visit_default	black/linegen.py
97.0%	65	visit_stmt	black/linegen.py
97.0%	65	visit_funcdef	black/linegen.py
95.5%	64	visit_suite	black/linegen.py
56.7%	38	visit_simple_stmt	black/linegen.py

visit_default (black/nodes.py)

%	Samples	Callee	Location
100.0%	67	visit	black/nodes.py

visit_stmt (black/linegen.py)

%	Samples	Callee	Location
100.0%	65	visit	black/nodes.py
9.2%	6	normalize_invisible_parens	black/linegen.py
1.5%	1	line	black/linegen.py

visit_funcdef (black/linegen.py)

%	Samples	Callee	Location
100.0%	65	visit	black/nodes.py

visit_suite (black/linegen.py)

%	Samples	Callee	Location
100.0%	64	visit_default	black/linegen.py

check_stability_and_equivalence (black/__init__.py)

%	Samples	Callee	Location
70.5%	43	assert_stable	black/__init__.py
29.5%	18	assert_equivalent	black/__init__.py

parse_tokens (blib2to3/pgen2/driver.py)

%	Samples	Callee	Location
76.8%	43	addtoken	blib2to3/pgen2/parse.py
19.6%	11	__next__	blib2to3/pgen2/driver.py
1.8%	1	debug	logging/__init__.py

_find_and_load_unlocked (<frozen importlib._bootstrap>)

%	Samples	Callee	Location
100.0%	7	_load_unlocked	<frozen importlib._bootstrap>
28.6%	2	_find_spec	<frozen importlib._bootstrap>

_find_and_load (<frozen importlib._bootstrap>)

%	Samples	Callee	Location
100.0%	7	_find_and_load_unlocked	<frozen importlib._bootstrap>

_call_with_frames_removed (<frozen importlib._bootstrap>)

%	Samples	Callee	Location
100.0%	7	<module>	black/__init__.py
57.1%	4	<module>	black/nodes.py
57.1%	4	<module>	black/comments.py
57.1%	4	_find_and_load	<frozen importlib._bootstrap>
42.9%	3	<module>	blib2to3/pgen2/driver.py

exec_module (<frozen importlib._bootstrap_external>)

%	Samples	Callee	Location
100.0%	7	_call_with_frames_removed	<frozen importlib._bootstrap>
14.3%	1	get_code	<frozen importlib._bootstrap_external>

_load_unlocked (<frozen importlib._bootstrap>)

%	Samples	Callee	Location
100.0%	7	exec_module	<frozen importlib._bootstrap_external>
14.3%	1	module_from_spec	<frozen importlib._bootstrap>

_get_module_details (<frozen runpy>)

%	Samples	Callee	Location
100.0%	7	_find_and_load	<frozen importlib._bootstrap>
100.0%	7	_get_module_details	<frozen runpy>

_handle_fromlist (<frozen importlib._bootstrap>)

%	Samples	Callee	Location
100.0%	4	_call_with_frames_removed	<frozen importlib._bootstrap>

find_spec (<frozen importlib._bootstrap_external>)

%	Samples	Callee	Location
100.0%	2	_get_spec	<frozen importlib._bootstrap_external>
50.0%	1	_path_stat	<frozen importlib._bootstrap_external>

_get_spec (<frozen importlib._bootstrap_external>)

%	Samples	Callee	Location
100.0%	2	find_spec	<frozen importlib._bootstrap_external>

_find_spec (<frozen importlib._bootstrap>)

%	Samples	Callee	Location
100.0%	2	find_spec	<frozen importlib._bootstrap_external>

create_module (<frozen importlib._bootstrap_external>)

%	Samples	Callee	Location
100.0%	1	_call_with_frames_removed	<frozen importlib._bootstrap>

module_from_spec (<frozen importlib._bootstrap>)

%	Samples	Callee	Location
100.0%	1	create_module	<frozen importlib._bootstrap_external>

get_code (<frozen importlib._bootstrap_external>)

%	Samples	Callee	Location
100.0%	1	_compile_bytecode	<frozen importlib._bootstrap_external>

Hottest call stacks

Call stacks ranked by samples taken in their leaf frame.

Common call stack: format_file_contents (black/__init__.py) ← format_file_in_place ← reformat_one ← main ← new_func (click/decorators.py) ← invoke (click/core.py) ← invoke ← main ← __call__ ← patched_main (black/__init__.py) ← <module> (black/__main__.py) ← _run_code (<frozen runpy>) ← _run_module_as_main

%	Samples	Call stack
6.3%	12	_addtoken (blib2to3/pgen2/parse.py) ← addtoken ← parse_tokens (blib2to3/pgen2/driver.py) ← parse_string ← lib2to3_parse (black/parsing.py) ← _format_str_once (black/__init__.py) ← format_str
4.8%	9	parse (ast.py) ← _parse_single_version (black/parsing.py) ← parse_ast ← assert_equivalent (black/__init__.py) ← check_stability_and_equivalence
4.2%	8	pop (blib2to3/pgen2/parse.py) ← _addtoken ← addtoken ← parse_tokens (blib2to3/pgen2/driver.py) ← parse_string ← lib2to3_parse (black/parsing.py) ← _format_str_once (black/__init__.py) ← format_str
3.7%	7	generate_tokens (blib2to3/pgen2/tokenize.py) ← __next__ (blib2to3/pgen2/driver.py) ← parse_tokens ← parse_string ← lib2to3_parse (black/parsing.py) ← _format_str_once (black/__init__.py) ← format_str
3.7%	7	_addtoken (blib2to3/pgen2/parse.py) ← addtoken ← parse_tokens (blib2to3/pgen2/driver.py) ← parse_string ← lib2to3_parse (black/parsing.py) ← _format_str_once (black/__init__.py) ← assert_stable ← check_stability_and_equivalence
3.7%	7	__init__ (blib2to3/pytree.py) ← convert ← pop (blib2to3/pgen2/parse.py) ← _addtoken ← addtoken ← parse_tokens (blib2to3/pgen2/driver.py) ← parse_string ← lib2to3_parse (black/parsing.py) ← _format_str_once (black/__init__.py) ← format_str
3.2%	6	visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_power ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_stmt (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_simple_stmt ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_suite ← visit (black/nodes.py) ← visit_funcdef (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← _format_str_once (black/__init__.py) ← format_str
2.1%	4	hug_power_op (black/trans.py) ← _hugging_power_ops_line_to_string (black/linegen.py) ← transform_line ← _format_str_once (black/__init__.py) ← format_str
2.1%	4	current (blib2to3/pgen2/tokenize.py) ← generate_tokens ← __next__ (blib2to3/pgen2/driver.py) ← parse_tokens ← parse_string ← lib2to3_parse (black/parsing.py) ← _format_str_once (black/__init__.py) ← assert_stable ← check_stability_and_equivalence
1.6%	3	_stringify_ast (black/parsing.py) ← _stringify_ast_with_new_parent ← _stringify_ast ← _stringify_ast_with_new_parent ← _stringify_ast ← _stringify_ast_with_new_parent ← _stringify_ast ← _stringify_ast_with_new_parent ← _stringify_ast ← _stringify_ast_with_new_parent ← _stringify_ast ← _stringify_ast_with_new_parent ← _stringify_ast ← assert_equivalent (black/__init__.py) ← check_stability_and_equivalence
1.6%	3	transform_line (black/linegen.py) ← _format_str_once (black/__init__.py) ← format_str
1.6%	3	get_features_used (black/__init__.py) ← detect_target_versions ← _format_str_once ← assert_stable ← check_stability_and_equivalence
1.6%	3	assert_equivalent (black/__init__.py) ← check_stability_and_equivalence
1.6%	3	convert (blib2to3/pytree.py) ← pop (blib2to3/pgen2/parse.py) ← _addtoken ← addtoken ← parse_tokens (blib2to3/pgen2/driver.py) ← parse_string ← lib2to3_parse (black/parsing.py) ← _format_str_once (black/__init__.py) ← assert_stable ← check_stability_and_equivalence
1.6%	3	convert_one_fmt_off_pair (black/comments.py) ← normalize_fmt_off ← _format_str_once (black/__init__.py) ← assert_stable ← check_stability_and_equivalence
1.1%	2	prev_sibling (blib2to3/pytree.py) ← preceding_leaf (black/nodes.py) ← whitespace ← append (black/lines.py) ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_power ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_stmt (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_simple_stmt ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_suite ← visit (black/nodes.py) ← visit_funcdef (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← _format_str_once (black/__init__.py) ← format_str
1.1%	2	mark (black/brackets.py) ← append (black/lines.py) ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_stmt (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_suite ← visit (black/nodes.py) ← visit_funcdef (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← _format_str_once (black/__init__.py) ← assert_stable ← check_stability_and_equivalence
1.1%	2	normalize_invisible_parens (black/linegen.py) ← visit_stmt ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_suite ← visit (black/nodes.py) ← visit_stmt (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_suite ← visit (black/nodes.py) ← visit_funcdef (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_suite ← visit (black/nodes.py) ← visit_stmt (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← _format_str_once (black/__init__.py) ← format_str
1.1%	2	append (black/lines.py) ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_stmt (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_simple_stmt ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_suite ← visit (black/nodes.py) ← visit_stmt (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_suite ← visit (black/nodes.py) ← visit_stmt (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_suite ← visit (black/nodes.py) ← visit_funcdef (black/linegen.py) ← visit (black/nodes.py) ← visit_decorators (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_suite ← visit (black/nodes.py) ← visit_stmt (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← _format_str_once (black/__init__.py) ← format_str
1.1%	2	visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_power ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← visit_stmt (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_simple_stmt ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_suite ← visit (black/nodes.py) ← visit_funcdef (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit_suite ← visit (black/nodes.py) ← visit_stmt (black/linegen.py) ← visit (black/nodes.py) ← visit_default ← visit_default (black/linegen.py) ← visit (black/nodes.py) ← _format_str_once (black/__init__.py) ← format_str