poly fix

gistfile1.txt

diff --git a/sympy/polys/polytools.py b/sympy/polys/polytools.py
index cb94fb9..588a1b3 100644
--- a/sympy/polys/polytools.py
+++ b/sympy/polys/polytools.py
@@ -5103,7 +5103,7 @@ def groebner(F, *gens, **args):
     else:
         return G
 
-def poly(expr, **args):
+def poly(expr, *gens, **args):
     """
     Efficiently transform an expression into a polynomial.
 
@@ -5153,7 +5153,7 @@ def poly(expr, **args):
             poly_terms.append(product)
 
     if not poly_terms:
-        result = Poly(expr, expand=False)
+        result = Poly(expr, *gens, **{'expand':False})
     else:
         result = poly_terms[0]