remove debug statement, reformat test

Author: CloseChoice

pandas/_libs/window/aggregations.pyx

@@ -149,7 +149,6 @@ def roll_sum(const float64_t[:] values, ndarray[int64_t] start,
 
             # setup
             for j in range(s, e):
-                print('go into add_sum, values[j] ' + str(values[j]))
                 add_sum(values[j], &nobs, &sum_x, &compensation_add)
 
         else:

pandas/tests/groupby/test_function.py

@@ -1175,9 +1175,10 @@ def test_sum_with_nan_inf():
     )
     tm.assert_frame_equal(result, expected)
 
+
 def test_cumsum_inf():
     ser = Series([np.inf, 1, 1])
 
     result = ser.groupby([1, 1, 1]).cumsum()
     expected = Series([np.inf, np.inf, np.inf])
-    tm.assert_series_equal(result, expected)
+    tm.assert_series_equal(result, expected)