Merge pull request #24453 from michelececcacci/fix_list_explicit_kw

Make polys arg explicit in `symmetric_poly()`

.mailmap

@@ -911,7 +911,7 @@ Michael Sparapany <msparapa@purdue.edu>
 Michael Zingale <michael.zingale@stonybrook.edu>
 Michal Grňo <m93a.cz@gmail.com> Michal Grno <m93a.cz@gmail.com>
 Michał Radwański <enedil.isildur@gmail.com>
-Michele Ceccacci <michelececcacci1@gmail.com>
+Michele Ceccacci <michelececcacci1@gmail.com> Michele Ceccacci <75946413+michelececcacci@users.noreply.github.com>
 Michele Zaffalon <michele.zaffalon@gmail.com>
 Micky <mickydroch@gmail.com>
 Miguel Marco <mmarco@unizar.es>

sympy/polys/specialpolys.py

@@ -90,13 +90,17 @@ def cyclotomic_poly(n, x=None, polys=False):
 
 
 @public
-def symmetric_poly(n, *gens, **args):
-    """Generates symmetric polynomial of order `n`.
+def symmetric_poly(n, *gens, polys=False):
+    """
+    Generates symmetric polynomial of order `n`.
+
+    Parameters
+    ==========
 
-    Returns a Poly object when ``polys=True``, otherwise
-    (default) returns an expression.
+    polys: bool, optional (default: False)
+        Returns a Poly object when ``polys=True``, otherwise
+        (default) returns an expression.
     """
-    # TODO: use an explicit keyword argument
     gens = _analyze_gens(gens)
 
     if n < 0 or n > len(gens) or not gens:
@@ -106,10 +110,7 @@ def symmetric_poly(n, *gens, **args):
     else:
         poly = Add(*[Mul(*s) for s in subsets(gens, int(n))])
 
-    if not args.get('polys', False):
-        return poly
-    else:
-        return Poly(poly, *gens)
+    return Poly(poly, *gens) if polys else poly
 
 
 @public