fine tuning the cython-linter + fix W391 code

Author: fchapoton

.github/workflows/lint.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.11", "3.12"]
+        python-version: ["3.12"]
     steps:
     - uses: actions/checkout@v4
 

pyproject.toml

@@ -41,7 +41,7 @@ build-backend = "mesonpy"
 
 [tool.cython-lint]
 max-line-length = 120
-ignore = ['E114','E117','E127','E128','E129','E202','E221','E222','E231','E261','E262','E265','E302','E303','E306','E501','E701','E703','E711','E722','E731','E741','E743','W391']
+ignore = ['E114','E117','E127','E128','E129','E202','E221','E222','E231','E261','E262','E265','E302','E303','E306','E501','E711','E722','E731','E741','E743']
 exclude = 'src/flint/flintlib/.*'
 
 [tool.spin]

src/flint/types/acb_poly.pyx

@@ -424,4 +424,3 @@ cdef class acb_poly(flint_poly):
         arf_set_mag(arb_midref((<arb>r).val), m)
         mag_clear(m)
         return r
-

src/flint/types/acb_series.pxd

@@ -7,4 +7,3 @@ cdef class acb_series(flint_series):
     cdef long prec
     cpdef long length(self)
     cpdef valuation(self)
-

src/flint/types/acb_series.pyx

@@ -854,4 +854,3 @@ cdef class acb_series(flint_series):
         acb_poly_lambertw_series((<acb_series>u).val, (<acb_series>s).val, (<fmpz>k).val, 0, cap, getprec())
         (<acb_series>u).prec = cap
         return u
-

src/flint/types/arb.pyx

@@ -2656,4 +2656,3 @@ cdef class arb(flint_scalar):
         arb_hypgeom_coulomb(NULL, (<arb>G).val,
                         (<arb>l).val, (<arb>eta).val, (<arb>self).val, getprec())
         return G
-

src/flint/types/fmpq_mat.pyx

@@ -506,5 +506,3 @@ cdef class fmpq_mat(flint_mat):
         if n % 2:
             v *= self
         return v
-
-

src/flint/types/fmpq_series.pyx

@@ -525,4 +525,3 @@ cdef class fmpq_series(flint_series):
         fmpq_poly_tanh_series((<fmpq_series>u).val, (<fmpq_series>s).val, cap)
         (<fmpq_series>u).prec = cap
         return u
-

src/flint/types/fmpz.pyx

@@ -1021,4 +1021,3 @@ cdef class fmpz(flint_scalar):
         if ttype == FMPZ_TMP:
             fmpz_clear(tval)
         return fmpz(v)
-

src/flint/types/fmpz_poly.pyx

@@ -647,4 +647,3 @@ cdef class fmpz_poly(flint_poly):
                     return int(i)
         libc.stdlib.free(phi)
         return 0
-