pandas-dev#34131 review taken into account

Author: OlivierLuG

pandas/tests/frame/test_arithmetic.py

@@ -14,7 +14,6 @@
 from pandas.core.computation.expressions import (
     _MIN_ELEMENTS,
     _NUMEXPR_INSTALLED,
-    _USE_NUMEXPR,
 )
 from pandas.tests.frame.common import _check_mixed_float, _check_mixed_int
 
@@ -379,17 +378,14 @@ def test_floordiv_axis0(self):
         result2 = df.floordiv(ser.values, axis=0)
         tm.assert_frame_equal(result2, expected)
 
+    @pytest.mark.skipif(not _NUMEXPR_INSTALLED, reason="numexpr not installed")
     @pytest.mark.parametrize("opname", ["floordiv", "pow"])
     def test_floordiv_axis0_numexpr_path(self, opname):
         # case that goes through numexpr and has to fall back to masked_arith_op
         op = getattr(operator, opname)
 
         arr = np.arange(_MIN_ELEMENTS + 100).reshape(_MIN_ELEMENTS // 100 + 1, -1) * 100
         df = pd.DataFrame(arr)
-        if _NUMEXPR_INSTALLED:
-            assert _USE_NUMEXPR
-        else:
-            return
         df["C"] = 1.0
 
         ser = df[0]