Remove unneeded imports

sympy · Apr 17, 2024 · 6d43c6a · 6d43c6a
1 parent bdaa1ed
commit 6d43c6a
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Showing 3 changed files with 2 additions and 4 deletions.
diff --git a/sympy/polys/densetools.py b/sympy/polys/densetools.py
@@ -920,14 +920,13 @@ def dmp_shift(f, a, u, K):
         return f
 
     a0, a1 = a[0], a[1:]
-    u0, u1 = u, u - 1
 
     f = [ dmp_shift(c, a1, u1, K) for c in f ]
     n = len(f) - 1
 
     for i in range(n, 0, -1):
         for j in range(0, i):
-            afj = dmp_mul_ground(f[j], a0, u1, K)
+            afj = dmp_mul_ground(f[j], a0, u-1, K)
             f[j + 1] = dmp_add(f[j + 1], afj, u-1, K)
 
     return f

diff --git a/sympy/polys/factortools.py b/sympy/polys/factortools.py
@@ -55,7 +55,6 @@
     dup_primitive, dmp_ground_primitive,
     dmp_eval_tail,
     dmp_eval_in, dmp_diff_eval_in,
-    dmp_compose,
     dup_shift, dmp_shift, dup_mirror)
 
 from sympy.polys.euclidtools import (

diff --git a/sympy/polys/polytools.py b/sympy/polys/polytools.py
@@ -6554,7 +6554,7 @@ def _try_factor(expr):
 
     try:
         return _generic_factor(f, gens, args, method='factor')
-    except PolynomialError as msg:
+    except PolynomialError:
         if not f.is_commutative:
             return factor_nc(f)
         else: