fix W391 in tests, modules, rings

src/sage/modules/free_module.py

@@ -8243,4 +8243,3 @@ def __richcmp__(self, other, op):
             True
         """
         return self.obj._echelon_matrix_richcmp(other.obj, op)
-

src/sage/modules/module_functors.py

@@ -75,7 +75,7 @@ class QuotientModuleFunctor(ConstructionFunctor):
         sage: Q2 = A2 / B2
         sage: q3 = Q1.an_element() + Q2.an_element()
     """
-    rank = 5 # ranking of functor, not rank of module
+    rank = 5  # ranking of functor, not rank of module
 
     def __init__(self, relations):
         """
@@ -187,4 +187,3 @@ def merge(self, other):
         """
         if isinstance(other, QuotientModuleFunctor):
             return QuotientModuleFunctor(self._relations + other._relations)
-

src/sage/modules/submodule.py

@@ -243,4 +243,3 @@ def ambient_module(self):
             True
         """
         return self._ambient
-

src/sage/modules/with_basis/cell_module.py

@@ -473,4 +473,3 @@ def _acted_upon_(self, scalar, self_on_left=False):
         # For backward compatibility
         _lmul_ = _acted_upon_
         _rmul_ = _acted_upon_
-

src/sage/modules/with_basis/morphism.py

@@ -1551,6 +1551,7 @@ def pointwise_inverse_function(f):
         return f.pointwise_inverse()
     return PointwiseInverseFunction(f)
 
+
 from sage.structure.sage_object import SageObject
 class PointwiseInverseFunction(SageObject):
     r"""
@@ -1630,4 +1631,3 @@ def pointwise_inverse(self):
             True
         """
         return self._pointwise_inverse
-

src/sage/rings/ideal.py

@@ -1847,12 +1847,8 @@ def FieldIdeal(R):
         Multivariate Polynomial Ring in x1, x2, x3, x4 over Finite
         Field in alpha of size 2^4
     """
-
     q = R.base_ring().order()
-
     import sage.rings.infinity
     if q is sage.rings.infinity.infinity:
         raise TypeError("Cannot construct field ideal for R.base_ring().order()==infinity")
-
-    return R.ideal([x**q - x for x in R.gens() ])
-
+    return R.ideal([x**q - x for x in R.gens()])

src/sage/rings/polynomial/msolve.py

@@ -290,7 +290,7 @@ def to_poly(p, d=1, *, upol=PolynomialRing(base, 't')):
         variety = []
         for rt in elim_roots:
             den_of_rt = den(rt)
-            point = [-p(rt)/den_of_rt for p in param]
+            point = [-p(rt) / den_of_rt for p in param]
             if len(param) != len(vars):
                 point.append(rt)
             assert len(point) == len(vars)
@@ -313,4 +313,3 @@ def to_poly(p, d=1, *, upol=PolynomialRing(base, 't')):
                    for point in l]
 
     return [KeyConvertingDict(out_ring, zip(vars, point)) for point in variety]
-

src/sage/rings/polynomial/multi_polynomial_ideal.py

@@ -5458,4 +5458,3 @@ def __richcmp__(self, other, op):
                 return not (contained and contains)
             else:  # remaining case <
                 return contained and not contains
-

src/sage/rings/polynomial/polynomial_quotient_ring_element.py

@@ -737,4 +737,3 @@ def rational_reconstruction(self, *args, **kwargs):
         R = m.parent()
         f = R(self._polynomial)
         return f.rational_reconstruction(m, *args, **kwargs)
-

src/sage/rings/tate_algebra.py

@@ -1295,4 +1295,3 @@ def is_integral_domain(self, proof=True):
             True
         """
         return True
-

src/sage/tests/books/computational-mathematics-with-sagemath/calculus_doctest.py

@@ -552,4 +552,3 @@
   )
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/combinat_doctest.py

@@ -1053,4 +1053,3 @@
   645490122795799841856164638490742749440
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/domaines_doctest.py

@@ -442,4 +442,3 @@
   (4) * (x + 2)^2 * (x^2 + 3)
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/float_doctest.py

@@ -476,4 +476,3 @@
   1.73205080756887729352744634151?
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/graphique_doctest.py

@@ -260,4 +260,3 @@
   Graphics3d Object
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/graphtheory_doctest.py

@@ -417,4 +417,3 @@
   sage: g.show(edge_colors=edge_coloring(g, hex_colors=True))
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/integration_doctest.py

@@ -289,4 +289,3 @@
   mpf('2.7135204235459511323824699502438')
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/linalg_doctest.py

@@ -458,4 +458,3 @@
   True
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/lp_doctest.py

@@ -233,4 +233,3 @@
   ....:                   if p.get_values(B(u,v), convert=ZZ, tolerance=1e-3) == 1] )
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/mpoly_doctest.py

@@ -559,4 +559,3 @@
   45
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/nonlinear_doctest.py

@@ -489,4 +489,3 @@
   1/2*pi - (e^(1/2*pi) - 10)*e^(-1/2*pi)
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/numbertheory_doctest.py

@@ -154,4 +154,3 @@
   17
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/polynomes_doctest.py

@@ -406,4 +406,3 @@
   (x^562949953421312 + 1, 562949953421312*x^562949953421311)
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/premierspas_doctest.py

@@ -179,4 +179,3 @@
   bla
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/programmation_doctest.py

@@ -661,4 +661,3 @@
   ....:   return len(D) == len (Set(D.values()))
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/recequadiff_doctest.py

@@ -385,4 +385,3 @@
   2**n*C0 + 2**(n + 1)*n
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/calculus_doctest.py

@@ -263,4 +263,3 @@
   True
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/combinat_doctest.py

@@ -216,4 +216,3 @@
   [0, 1, 1, 2, 5, 14, 42, 132, 429]
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/domaines_doctest.py

@@ -58,4 +58,3 @@
   <class 'sage.modules.with_basis.morphism.DiagonalModuleMorphism_with_category'>
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/float_doctest.py

@@ -140,4 +140,3 @@
   [-1.0000000000000000 .. 1.0000000000000000]
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/integration_doctest.py

@@ -55,4 +55,3 @@
   [-0.285398163397448, -0.00524656673640445, -0.00125482109302663]
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/linalg_doctest.py

@@ -55,4 +55,3 @@
   False
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/linsolve_doctest.py

@@ -24,4 +24,3 @@
   True
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/lp_doctest.py

@@ -46,4 +46,3 @@
   True
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/mpoly_doctest.py

@@ -114,4 +114,3 @@
   1/16*u^2*v^2 - 3/8*u^2*v + 7/16*u^2 + 1/8*v^2 - 1/8*v - 1/8
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/nonlinear_doctest.py

@@ -110,4 +110,3 @@
   1/2*pi - (e^(1/2*pi) - 10)*e^(-1/2*pi)
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/numbertheory_doctest.py

@@ -166,4 +166,3 @@
   + 4/5*s3^3*x3^15 - 9/32*s3^2*x3^16 + 1/17*s3*x3^17
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/polynomes_doctest.py

@@ -106,4 +106,3 @@
   + 21844/6081075*x^13 + O(x^15)
 
 """
-

src/sage/tests/books/computational-mathematics-with-sagemath/sol/recequadiff_doctest.py

@@ -57,4 +57,3 @@
   -sqrt(2*_C + 2*log(x))*x
 
 """
-