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gh-36148: fix the 2 broken linters This repairs the two broken linters. ### 📝 Checklist - [x] The title is concise, informative, and self-explanatory. - [x] The description explains in detail what this PR is about. URL: #36148 Reported by: Frédéric Chapoton Reviewer(s): David Coudert, Frédéric Chapoton
2 parents 9546d90 + 3bf709c commit 952696e

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src/sage/dynamics/arithmetic_dynamics/dynamical_semigroup.py

Lines changed: 19 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -9,15 +9,15 @@
99
- Dang Phan (August 6th, 2023): initial implementation
1010
"""
1111

12-
#*****************************************************************************
12+
# ****************************************************************************
1313
# Dang Phan <[email protected]>
1414
#
1515
# This program is free software: you can redistribute it and/or modify
1616
# it under the terms of the GNU General Public License as published by
1717
# the Free Software Foundation, either version 2 of the License, or
1818
# (at your option) any later version.
19-
# http://www.gnu.org/licenses/
20-
#*****************************************************************************
19+
# https://www.gnu.org/licenses/
20+
# ****************************************************************************
2121

2222
from collections.abc import Collection
2323
from sage.categories.fields import Fields
@@ -33,6 +33,7 @@
3333
from sage.rings.rational_field import QQ
3434
from sage.structure.parent import Parent
3535

36+
3637
class DynamicalSemigroup(Parent, metaclass=InheritComparisonClasscallMetaclass):
3738
r"""
3839
A dynamical semigroup defined by a multiple dynamical systems on projective or affine space.
@@ -959,16 +960,15 @@ def __mul__(self, other_dynamical_semigroup):
959960
Traceback (most recent call last):
960961
...
961962
ValueError: left dynamical semigroup's domain must equal right dynamical semigroup's codomain
962-
963963
"""
964-
if type(self) != type(other_dynamical_semigroup):
964+
if type(self) is not type(other_dynamical_semigroup):
965965
raise TypeError("can only multiply dynamical semigroups with other dynamical semigroups of the same type")
966966
if self.domain() != other_dynamical_semigroup.codomain():
967967
raise ValueError("left dynamical semigroup's domain must equal right dynamical semigroup's codomain")
968968
composite_systems = []
969969
for f in self.defining_systems():
970970
for g in other_dynamical_semigroup.defining_systems():
971-
composite_systems.append(DynamicalSystem(f*g))
971+
composite_systems.append(DynamicalSystem(f * g))
972972
return DynamicalSemigroup(composite_systems)
973973

974974
def __pow__(self, n):
@@ -982,7 +982,7 @@ def __pow__(self, n):
982982
983983
OUTPUT: :class:`DynamicalSemigroup`
984984
985-
EXAMPLES:
985+
EXAMPLES::
986986
987987
sage: A.<x> = AffineSpace(QQ, 1)
988988
sage: f = DynamicalSystem(x^2, A)
@@ -1200,12 +1200,13 @@ def __eq__(self, other):
12001200
"""
12011201
if isinstance(other, DynamicalSemigroup):
12021202
if any(ds.degree() == 1 for ds in self.defining_systems()) or \
1203-
any(ds.degree() == 1 for ds in other.defining_systems()):
1203+
any(ds.degree() == 1 for ds in other.defining_systems()):
12041204
raise NotImplementedError("cannot compare dynamical semigroups with at least one generator of degree 1")
12051205
return all(ds in other.defining_systems() for ds in self.defining_systems()) and \
12061206
all(ds in self.defining_systems() for ds in other.defining_systems())
12071207
return False
12081208

1209+
12091210
class DynamicalSemigroup_projective(DynamicalSemigroup):
12101211
r"""
12111212
A dynamical semigroup defined by a multiple dynamical systems on projective space.
@@ -1248,7 +1249,7 @@ def __classcall_private__(cls, ds_data):
12481249
raise ValueError(str(ds_datum) + " does not define a 'DynamicalSystem_projective' object")
12491250
else:
12501251
if isinstance(ds_data, DynamicalSystem_projective):
1251-
systems.append(ds_data)
1252+
systems.append(ds_data)
12521253
else:
12531254
try:
12541255
systems.append(DynamicalSystem_projective(ds_data))
@@ -1327,12 +1328,15 @@ def dehomogenize(self, n):
13271328
new_systems.append(new_system)
13281329
return DynamicalSemigroup_affine(new_systems)
13291330

1331+
13301332
class DynamicalSemigroup_projective_field(DynamicalSemigroup_projective):
13311333
pass
13321334

1335+
13331336
class DynamicalSemigroup_projective_finite_field(DynamicalSemigroup_projective_field):
13341337
pass
13351338

1339+
13361340
class DynamicalSemigroup_affine(DynamicalSemigroup):
13371341
r"""
13381342
A dynamical semigroup defined by multiple dynamical systems on affine space.
@@ -1374,7 +1378,7 @@ def __classcall_private__(cls, ds_data):
13741378
raise ValueError(str(ds_datum) + " does not define a 'DynamicalSystem_affine' object")
13751379
else:
13761380
if isinstance(ds_data, DynamicalSystem_affine):
1377-
systems.append(ds_data)
1381+
systems.append(ds_data)
13781382
else:
13791383
try:
13801384
systems.append(DynamicalSystem_affine(ds_data))
@@ -1435,12 +1439,15 @@ def homogenize(self, n):
14351439
new_systems.append(ds.homogenize(n))
14361440
return DynamicalSemigroup_projective(new_systems)
14371441

1442+
14381443
class DynamicalSemigroup_affine_field(DynamicalSemigroup_affine):
14391444
pass
14401445

1446+
14411447
class DynamicalSemigroup_affine_finite_field(DynamicalSemigroup_affine_field):
14421448
pass
14431449

1450+
14441451
def _standardize_domains_of_(systems):
14451452
r"""
14461453
Coerces dynamical systems to the same domain and have the same generators.
@@ -1509,7 +1516,7 @@ def _standardize_domains_of_(systems):
15091516

15101517
for i in range(len(systems)):
15111518
if systems[i].base_ring() != biggest_ring:
1512-
systems[i] = systems[i].change_ring(biggest_ring)
1519+
systems[i] = systems[i].change_ring(biggest_ring)
15131520

15141521
domain = systems[0].domain()
15151522

@@ -1531,4 +1538,4 @@ def _standardize_domains_of_(systems):
15311538
new_polys.append(poly.subs(sub_dict))
15321539
systems[i] = DynamicalSystem(new_polys, domain)
15331540

1534-
return systems
1541+
return systems

src/sage/rings/polynomial/polynomial_zz_pex.pyx

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -546,9 +546,9 @@ cdef class Polynomial_ZZ_pEX(Polynomial_template):
546546

547547
def inverse_series_trunc(self, prec):
548548
r"""
549-
Compute and return the inverse of self modulo `x^prec`.
550-
551-
The constant term of self must be invertible.
549+
Compute and return the inverse of ``self`` modulo `x^{prec}`.
550+
551+
The constant term of ``self`` must be invertible.
552552
553553
EXAMPLES::
554554

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