Add getattr as other might not possess attrs as attribute

Author: fbourgey

pandas/core/base.py

@@ -1466,7 +1466,7 @@ def _arith_method(self, other, op):
         with np.errstate(all="ignore"):
             result = ops.arithmetic_op(lvalues, rvalues, op)
 
-        if not self.attrs and other.attrs:
+        if not getattr(self, "attrs", None) and getattr(other, "attrs", None):
             self.attrs = other.attrs
 
         return self._construct_result(result, name=res_name)

pandas/core/frame.py

@@ -7831,7 +7831,7 @@ def _arith_method(self, other, op):
         with np.errstate(all="ignore"):
             new_data = self._dispatch_frame_op(other, op, axis=axis)
 
-        if not self.attrs and other.attrs:
+        if not getattr(self, "attrs", None) and getattr(other, "attrs", None):
             self.attrs = other.attrs
 
         return self._construct_result(new_data)
@@ -8189,7 +8189,7 @@ def _flex_arith_method(
 
                 new_data = self._dispatch_frame_op(other, op)
 
-        if not self.attrs and other.attrs:
+        if not getattr(self, "attrs", None) and getattr(other, "attrs", None):
             self.attrs = other.attrs
 
         return self._construct_result(new_data)

pandas/core/series.py

@@ -5917,7 +5917,7 @@ def _binop(self, other: Series, func, level=None, fill_value=None) -> Series:
 
         name = ops.get_op_result_name(self, other)
 
-        if not this.attrs and other.attrs:
+        if not getattr(this, "attrs", None) and getattr(other, "attrs", None):
             this.attrs = other.attrs
 
         out = this._construct_result(result, name)