~/pyscf$ ruff check --statistics --select=PERF pyscf/
54	PERF401	[ ] manual-list-comprehension
 4	PERF203	[ ] try-except-in-loop
 2	PERF102	[*] incorrect-dict-iterator

~/pyscf$ ruff check --statistics --select=UP pyscf/
337	UP031	[*] printf-string-formatting
213	UP032	[*] f-string
 85	UP030	[*] format-literals
 85	UP034	[*] extraneous-parentheses
 71	UP027	[*] unpacked-list-comprehension
 26	UP015	[*] redundant-open-modes
  9	UP024	[*] os-error-alias
  9	UP036	[*] outdated-version-block
  6	UP039	[*] unnecessary-class-parentheses
  5	UP009	[*] utf8-encoding-declaration
  1	UP010	[*] unnecessary-future-import
  1	UP018	[*] native-literals

~/pyscf$ ruff check --statistics --select=C4 pyscf/
2	C408	[*] unnecessary-collection-call

~/pyscf$ ruff check --statistics --select=SIM pyscf/
656	SIM108	[ ] if-else-block-instead-of-if-exp
 49	SIM102	[ ] collapsible-if
 20	SIM300	[*] yoda-conditions
 13	SIM118	[*] in-dict-keys
 12	SIM105	[ ] suppressible-exception
 12	SIM115	[ ] open-file-with-context-handler
 11	SIM114	[*] if-with-same-arms
  5	SIM113	[ ] enumerate-for-loop
  4	SIM401	[*] if-else-block-instead-of-dict-get
  3	SIM117	[ ] multiple-with-statements
  2	SIM223	[*] expr-and-false
  1	SIM101	[*] duplicate-isinstance-call
  1	SIM103	[*] needless-bool
  1	SIM109	[*] compare-with-tuple
  1	SIM110	[*] reimplemented-builtin
  1	SIM201	[*] negate-equal-op
  1	SIM910	[*] dict-get-with-none-default