Added axis to constructor call in count

Author: yhaque1213

pandas/core/window.py

@@ -938,6 +938,7 @@ def count(self):
             result = b.notna().astype(int)
             result = self._constructor(result, window=window, min_periods=0,
                                        center=self.center,
+                                       axis=self.axis,
                                        closed=self.closed).sum()
             results.append(result)