review comments

Author: jreback

pandas/conftest.py

@@ -101,7 +101,7 @@ def all_arithmetic_operators(request):
 def all_compare_operators(request):
     """
     Fixture for dunder names for common compare operations
-   """
+    """
     return request.param
 
 

pandas/core/arrays/base.py

@@ -690,6 +690,7 @@ def _add_numeric_methods_binary(cls):
             cls.__rdiv__ = cls._make_arithmetic_op(ops.rdiv)
 
         cls.__divmod__ = cls._make_arithmetic_op(divmod)
+        cls.__rdivmod__ = cls._make_arithmetic_op(ops.rdivmod)
 
     @classmethod
     def make_comparison_op(cls, op):

pandas/core/ops.py

@@ -1035,7 +1035,20 @@ def na_op(x, y):
         return result
 
     def safe_na_op(lvalues, rvalues):
-        # all others
+        """
+        return the result of evaluating na_op on the passed in values
+
+        try coercion to object type if the native types are not compatible
+
+        Parameters
+        ----------
+        lvalues : array-like
+        rvalues : array-like
+
+        Raises
+        ------
+        invalid operation raises TypeError
+        """
         try:
             with np.errstate(all='ignore'):
                 return na_op(lvalues, rvalues)