Merge branch 'master' into misc

diofant/polys/polyutils.py

@@ -106,7 +106,7 @@ def _unify_gens(f_gens, g_gens):
 
     for i, gen in enumerate(g_gens):
         if gen in common:
-            g_gens[i], k = common[k], k + 1  # pylint: disable=unnecessary-list-index-lookup
+            g_gens[i], k = common[k], k + 1
 
     for gen in common:
         i = f_gens.index(gen)

diofant/solvers/polysys.py

@@ -230,7 +230,7 @@ def tr_surd(e):
 
     denoms = []
     for i, e in enumerate(eqs):
-        eqs[i], d = e.as_numer_denom()  # pylint: disable=unnecessary-list-index-lookup
+        eqs[i], d = e.as_numer_denom()
         if not d.is_constant(*gens):
             denoms.insert(0, d)
 

diofant/stats/crv.py

@@ -162,8 +162,7 @@ class SingleContinuousDistribution(ContinuousDistribution, NamedArgsMixin):
 
     def __new__(cls, *args):
         args = list(map(sympify, args))
-        ret = Expr.__new__(cls, *args)
-        return ret
+        return Expr.__new__(cls, *args)
 
     @staticmethod
     def check(*args):

diofant/stats/crv_types.py

@@ -977,8 +977,7 @@ class FrechetDistribution(SingleContinuousDistribution):
 
     def __new__(cls, a, s=1, m=0):
         a, s, m = list(map(sympify, (a, s, m)))
-        ret = Expr.__new__(cls, a, s, m)
-        return ret
+        return Expr.__new__(cls, a, s, m)
 
     def pdf(self, x):
         a, s, m = self.a, self.s, self.m

diofant/stats/drv.py

@@ -21,8 +21,7 @@ class SingleDiscreteDistribution(Expr, NamedArgsMixin):
 
     def __new__(cls, *args):
         args = list(map(sympify, args))
-        ret = Expr.__new__(cls, *args)
-        return ret
+        return Expr.__new__(cls, *args)
 
     @cacheit
     def compute_cdf(self, **kwargs):

diofant/stats/frv.py

@@ -166,8 +166,7 @@ class SingleFiniteDistribution(Expr, NamedArgsMixin):
 
     def __new__(cls, *args):
         args = list(map(sympify, args))
-        ret = Expr.__new__(cls, *args)
-        return ret
+        return Expr.__new__(cls, *args)
 
     @property  # type: ignore[misc]
     @cacheit

diofant/stats/frv_types.py

@@ -36,8 +36,7 @@ def dict(self):
 
     def __new__(cls, density):
         density = Dict(density)
-        ret = Expr.__new__(cls, density)
-        return ret
+        return Expr.__new__(cls, density)
 
 
 def FiniteRV(name, density):
@@ -112,8 +111,7 @@ def __new__(cls, sides):
         sides_sym = sympify(sides)
         if fuzzy_not(fuzzy_and((sides_sym.is_integer, sides_sym.is_positive))):
             raise ValueError("'sides' must be a positive integer.")
-        ret = super().__new__(cls, sides)
-        return ret
+        return super().__new__(cls, sides)
 
     @property  # type: ignore[misc]
     @cacheit
@@ -224,8 +222,7 @@ def __new__(cls, *args):
             raise ValueError(f"'n' must be positive integer. n = {n!s}.")
         if fuzzy_not(fuzzy_and((p_sym.is_nonnegative, (p_sym - 1).is_nonpositive))):
             raise ValueError(f"'p' must be: 0 <= p <= 1 . p = {p!s}")
-        ret = super().__new__(cls, *args)
-        return ret
+        return super().__new__(cls, *args)
 
     @property
     def n(self):

pyproject.toml

@@ -46,7 +46,7 @@ tests = ['pytest>=6', 'hypothesis', 'pytest-timeout', 'pexpect']
 develop = ['diofant[tests]', 'flake8>=3.8', 'flake8-docstrings>=1.3',
             'pep8-naming', 'flake8-comprehensions', 'flake8-isort>=4.1',
             'flake8-rst', 'flake8-quotes>=3', 'flake8-sfs', 'pytest-xdist>=1.22',
-            'pytest-cov', 'pylint>=2.14', 'coverage[toml]>=6.1.2',
+            'pytest-cov', 'pylint>=2.14.1', 'coverage[toml]>=6.1.2',
             'coverage_enable_subprocess', 'types-pkg_resources',
             'mypy', 'build', 'flake8-pytest-style']
 testing = ['diofant[develop]']